{"title":"Composite-Decking Screws","description":"","products":[{"product_id":"quikdrive-dcsd238sbr01-10-x-2-3-8-composite-to-steel-deck-screw-brown-1000ct","title":"Simpson #10 x 2-3\/8 in. Brown Collated Deck-Drive Composite-to-Steel Screw Quik Guard Coat 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCSD Composite-to-Steel Screw  -  #10 x 2-3\/8 in. Quik Guard Brown 01, Collated (1,000-Qty)\u003c\/strong\u003e is engineered by Simpson Strong-Tie specifically for fastening composite decking to steel deck framing. Collated on plastic strip for use with the Quik Drive auto-feed system, these #10 screws drive effortlessly through double 14-gauge steel box beams without predrilling, delivering a clean, finished deck surface with no mushrooming.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrives easily through double 14 ga. steel box beam without predrilling\u003c\/li\u003e\n\u003cli\u003eProvides a clean, finished deck surface with no mushrooming\u003c\/li\u003e\n\u003cli\u003eThe Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation\u003c\/li\u003e\n\u003cli\u003e#2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings (bit included)\u003c\/li\u003e\n\u003cli\u003eScrew length: 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for medium-level corrosion resistance; not recommended for use in marine environments\u003c\/li\u003e\n\u003cli\u003eColor: Brown 01\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel No.:\u003c\/strong\u003e DCSD238SBR01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength (in.):\u003c\/strong\u003e 2-3\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter (in.):\u003c\/strong\u003e 0.254\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e #2 Square, Undersized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Variable Thread Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Pilot Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Plastic Strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 decking system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Qty.:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated #10 x 2-3\/8 in. Deck-Drive DCSD Composite-to-Steel Screws (Brown 01)\u003c\/li\u003e\n\u003cli\u003eDriver bit included (replacement bit model: BIT2SU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eDo these screws require predrilling through steel framing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Deck-Drive DCSD screw features a pilot point and variable thread design that allows it to drive easily through double 14-gauge steel box beams without predrilling.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat Quik Drive tool is compatible with these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws are compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system, which holds the screw securely during driving for a more consistent installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these screws suitable for marine or coastal environments?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Quik Guard coating provides medium-level corrosion resistance and is not recommended for use in marine environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow can I match this Brown 01 screw color to my composite decking material?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eSimpson Strong-Tie provides a Composite-Decking Color Cross-Reference guide (see Downloads and Resources below) to help match screw colors to your specific decking material.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338713333921,"sku":"DCSD238SBR01","price":291.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/a88bb3b7b4f535e7419c1e54e19b5267c4d5342e.jpg?v=1741659329"},{"product_id":"quikdrive-dcsd238srd01-10-x-2-3-8-composite-to-steel-deck-screw-red-1000ct","title":"Simpson Deck-Drive DCSD Composite-to-Steel Screw #10 x 2-3\/8 in Quik Guard Red Collated 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCSD Composite-to-Steel Screw (Collated)  -  #10 x 2-3\/8 in., Quik Guard Red 01, 1000-Qty (Model: DCSD238SRD01)\u003c\/strong\u003e is engineered by Simpson Strong-Tie specifically for fastening composite decking to steel deck framing. This collated screw drives easily through double 14-gauge steel box beams without predrilling, delivering a clean, finished deck surface with no mushrooming while maximizing installation speed when used with a compatible Quik Drive system.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrives easily through double 14 ga. steel box beam without predrilling\u003c\/li\u003e\n\u003cli\u003eProvides a clean, finished deck surface with no mushrooming\u003c\/li\u003e\n\u003cli\u003eThe Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation\u003c\/li\u003e\n\u003cli\u003e#2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings (bit included)\u003c\/li\u003e\n\u003cli\u003eScrew length: 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for medium-level corrosion resistance; not recommended for use in marine environments\u003c\/li\u003e\n\u003cli\u003eColor: Red 01\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e DCSD238SRD01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.254 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e #2 Square, Undersized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Variable Thread Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Pilot Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Plastic Strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 decking system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated #10 x 2-3\/8 in. Deck-Drive DCSD Composite-to-Steel Screws (Red 01)\u003c\/li\u003e\n\u003cli\u003eDriver bit included (replacement bit model: BIT2SU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes this screw require predrilling through steel framing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Deck-Drive DCSD screw is designed to drive easily through double 14-gauge steel box beams without predrilling, saving time and reducing labor on composite decking installations.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat coating does this screw have, and is it suitable for marine environments?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis screw features a Quik Guard coating that provides medium-level corrosion resistance. It is not recommended for use in marine environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool system is this collated screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws are compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system. The Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat drive type does this screw use, and is a bit included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis screw uses a #2 undersized square drive, designed for secure bit engagement and easy driving  -  particularly for fasteners with protective coatings. A driver bit is included with purchase; the replacement bit model is BIT2SU.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338713923745,"sku":"DCSD238SRD01","price":291.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/b4ee60a8516a8fb3889f9368160fd945ee08c437.jpg?v=1741659328"},{"product_id":"quikdrive-dcsd238stn01-10-x-2-3-8-composite-to-steel-deck-screw-tan-1000ct","title":"Simpson Deck-Drive DCSD Composite-to-Steel Collated Screw #10 x 2-3\/8 in. Quik Guard Tan 01 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCSD Composite-to-Steel Screw (Collated)  -  #10 x 2-3\/8 in., Quik Guard Tan 01, 1000-Pack (Model No. DCSD238STN01)\u003c\/strong\u003e by Simpson Strong-Tie is specifically engineered for fastening composite decking to steel deck framing. Collated in plastic strip format for use with the Quik Drive system, these screws drive easily through double 14-gauge steel box beams without predrilling, delivering a clean, finished deck surface with no mushrooming and a more consistent, high-speed installation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrives easily through double 14 ga. steel box beam without predrilling\u003c\/li\u003e\n\u003cli\u003eProvides a clean, finished deck surface with no mushrooming\u003c\/li\u003e\n\u003cli\u003eThe Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation\u003c\/li\u003e\n\u003cli\u003e#2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings (bit included)\u003c\/li\u003e\n\u003cli\u003eScrew length: 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for medium-level corrosion resistance; not recommended for use in marine environments\u003c\/li\u003e\n\u003cli\u003eColor: Tan 01\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel No.:\u003c\/strong\u003e DCSD238STN01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength (in.):\u003c\/strong\u003e 2-3\/8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter (in.):\u003c\/strong\u003e 0.254\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e #2 Square, Undersized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Variable Thread Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Pilot Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Plastic Strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Qty.:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated DCSD238STN01 screws (plastic strip)\u003c\/li\u003e\n\u003cli\u003eDriver bit included (replacement bit model: BIT2SU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eDo these screws require predrilling through steel framing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Deck-Drive DCSD Composite-to-Steel screw drives easily through double 14-gauge steel box beams without predrilling, saving significant time on installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating provides medium-level corrosion resistance. It is not recommended for use in marine environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool system is required to use these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws are compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system. The Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat drive type is used, and is a driver bit included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws feature a #2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings. A driver bit is included with the package; the replacement bit model is BIT2SU.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338715922593,"sku":"DCSD238STN01","price":291.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/334083cfc64c0e7800d45f90164fca7079644611.jpg?v=1741659327"},{"product_id":"simpson-strong-tie-dcu234br01r70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-brown","title":"Simpson #10 x 2-3\/4\" Brown 01, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eThe Simpson Deck-Drive DCU Composite Screw in Brown 01\u003c\/strong\u003e is a purpose-built fastener from Simpson designed to deliver clean, professional results when installing composite or PVC deck boards. Engineered with a Quik Guard coating for medium-level corrosion resistance, this #10 x 2-3\/4\" screw drives smoothly through composite decking materials and leaves a polished, color-matched finish that blends with popular decking manufacturers' products. Whether you are fastening a new composite deck surface or replacing boards on an existing structure, this screw is engineered to handle the job with precision and a refined appearance.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making this screw a reliable choice for outdoor composite deck installations exposed to weather and moisture\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-drilling tip penetrates composite decking material without pre-drilling, reducing installation time and labor on deck board projects\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads\u003c\/strong\u003e - engineered to clear excess material away from the fastening zone, ensuring a clean, flush installation without surface buildup or raised edges\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe Thread Design\u003c\/strong\u003e - maximizes holding power in composite and PVC decking materials for a secure, long-lasting connection\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" Head Diameter\u003c\/strong\u003e - low-profile head sits neatly at the surface, contributing to a finished, professional look on completed deck boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - delivers positive bit engagement and reduces cam-out during driving, giving installers greater control and consistency across the deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 01 Color-Matching Painted Head\u003c\/strong\u003e - blends with popular composite decking brands for a concealed, polished appearance that elevates the overall deck finish\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCarbon Steel Construction\u003c\/strong\u003e - provides the structural strength needed to hold composite deck boards securely over the long term\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking, this screw eliminates the guesswork of pairing a generic fastener with specialty decking materials - one screw works across all types of composite boards\u003c\/li\u003e\n \u003cli\u003eThe Brown 01 painted cap head visually disappears against matching composite decking, producing a professional finish where fasteners are not a distraction on the completed deck surface\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 self-drilling point and inverted upper threads means composite material is cleared during installation rather than pushed up around the head, resulting in a clean countersink every time\u003c\/li\u003e\n \u003cli\u003eQuik Guard-coated carbon steel offers corrosion resistance appropriate for outdoor deck environments, making this a practical choice for residential composite deck board applications\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR01R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR01R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR01MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for all types of composite or PVC decking. Its Type-17 point and Tri-Lobe threads are specifically engineered to penetrate and hold in composite decking materials, making it a versatile choice for composite deck board installations.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill holes before driving this screw into composite deck boards?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point is a self-drilling tip that penetrates composite decking directly, simplifying installation and reducing the number of steps needed to complete each fastening point on the deck surface.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does this screw require, and is a compatible bit available?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e replacement bit.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan I use color-matching plugs with this screw to further conceal fasteners on my composite deck?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. This screw is compatible with color-matching DCU Screw Plugs. See the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e for compatible plug options that provide an even more concealed fastening appearance on finished composite deck surfaces.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe replacement driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs for a concealed finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591456350438,"sku":"DCU234BR01R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753222852838,"sku":"DCU234BR01R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753222885606,"sku":"DCU234BR01MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/DCU234-Loose.col.Brown01.01_600x_bb1dcce8-3803-427e-a6e0-72bc0a67100f.jpg?v=1741659326"},{"product_id":"quikdrive-dcsd238sgr04-10-x-2-3-8-composite-to-steel-deck-screw-gray-1000ct","title":"Simpson Deck-Drive DCSD Composite-to-Steel Collated Screw #10 x 2-3\/8 in. Quik Guard Gray 04 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCSD Composite-to-Steel Screw (Collated)  -  #10 x 2-3\/8 in., Quik Guard Gray 04, 1,000-Pack\u003c\/strong\u003e by Simpson Strong-Tie is specifically engineered for fastening composite decking to steel deck framing. Collated in a plastic strip for use with the Quik Drive system, these screws drive easily through double 14-gauge steel box beams without predrilling, delivering a clean, finished deck surface with no mushrooming.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrives easily through double 14 ga. steel box beam without predrilling\u003c\/li\u003e\n\u003cli\u003eProvides a clean, finished deck surface with no mushrooming\u003c\/li\u003e\n\u003cli\u003eThe Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation\u003c\/li\u003e\n\u003cli\u003e#2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings (bit included)\u003c\/li\u003e\n\u003cli\u003eScrew length: 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for medium-level corrosion resistance; not recommended for use in marine environments\u003c\/li\u003e\n\u003cli\u003eColor: Gray 04\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number (MPN):\u003c\/strong\u003e DCSD238SGR04\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.254 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e #2 Square, Undersized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Variable Thread Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Pilot Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Plastic Strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 04\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 decking system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated #10 x 2-3\/8 in. Deck-Drive DCSD Composite-to-Steel screws\u003c\/li\u003e\n\u003cli\u003eDriver bit included (replacement bit model: BIT2SU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eDo these screws require predrilling through steel framing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Deck-Drive DCSD Composite-to-Steel screw drives easily through double 14-gauge steel box beams without any predrilling required, saving significant time during installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat drive type and bit are used with these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws use a #2 undersized square drive, which provides secure bit engagement and easy driving  -  especially important for fasteners with protective coatings. A driver bit is included with the package; the replacement bit model is BIT2SU.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat Quik Drive tool is compatible with these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws are compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system. The Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these screws suitable for marine or high-corrosion environments?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating provides medium-level corrosion resistance and is not recommended for use in marine environments. For marine or highly corrosive applications, a higher-corrosion-resistance fastener should be selected.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338719985825,"sku":"DCSD238SGR04","price":291.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/1cc5ce0b1e37a0a1661f94834b57b169752f7516.jpg?v=1741659322"},{"product_id":"quikdrive-dcsd238sgr01-10-x-2-3-8-composite-to-steel-deck-screw-gray-1000ct","title":"Simpson Deck-Drive DCSD Composite-to-Steel Collated Screw #10 x 2-3\/8 in. Quik Guard Gray 01 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCSD Composite-to-Steel Screw (Collated)  -  #10 x 2-3\/8 in. Quik Guard Gray 01, 1000-Qty\u003c\/strong\u003e by Simpson Strong-Tie is specifically designed for fastening composite decking to steel deck framing. This collated screw drives easily through double 14-gauge steel box beams without predrilling, delivering a clean, finished deck surface with no mushrooming  -  making it an efficient, professional-grade fastening solution for composite deck installations.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDrives easily through double 14 ga. steel box beam without predrilling\u003c\/li\u003e\n\u003cli\u003eProvides a clean, finished deck surface with no mushrooming\u003c\/li\u003e\n\u003cli\u003eThe Quik Drive system holds the screw securely as it drills through the metal joist for a more consistent installation\u003c\/li\u003e\n\u003cli\u003e#2 (undersized) square drive for secure bit engagement and easy driving, especially for fasteners with protective coatings (bit included)\u003c\/li\u003e\n\u003cli\u003eScrew length: 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for medium-level corrosion resistance; not recommended for use in marine environments\u003c\/li\u003e\n\u003cli\u003eColor: Gray 01\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel No.:\u003c\/strong\u003e DCSD238SGR01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.254 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e #2 Square, Undersized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Variable Thread Design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Pilot Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Plastic Strip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tools:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 decking system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Qty.:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated #10 x 2-3\/8 in. Deck-Drive DCSD Composite-to-Steel screws (Gray 01)\u003c\/li\u003e\n\u003cli\u003eDriver bit included (replacement bit model: BIT2SU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eDo these screws require predrilling through steel framing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The Deck-Drive DCSD screw drives easily through double 14-gauge steel box beams without predrilling, saving time and streamlining the installation process.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat Quik Drive tool is compatible with these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws are compatible with the Simpson Strong-Tie Quik Drive PRO300SG2 decking system, which holds the screw securely as it drills through the metal joist for a more consistent installation.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat level of corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating provides medium-level corrosion resistance. These screws are not recommended for use in marine environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow do I match the Gray 01 color to my composite decking material?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eSimpson Strong-Tie provides a Composite-Decking Color Cross-Reference guide to help match screw colors to your decking material. See the Downloads and Resources section below for the color guide PDF.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338721165473,"sku":"DCSD238SGR01","price":291.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/3d922bd009d29d0a0ad3f02dbc793e694a2f9fa0.jpg?v=1741659321"},{"product_id":"simpson-strong-tie-dcu234c316gr-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Gray, Type 316 Stainless Steel\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where durability, clean aesthetics, and long-term corrosion resistance are essential. Featuring a Type-17 point that penetrates composite material with ease and inverted upper threads that clear excess debris for a clean, flush finish, this screw eliminates the guesswork of pairing fasteners to decking. The color-matching gray painted cap head blends seamlessly with popular composite decking brands, delivering a concealed, professional result. Designed with severe-level corrosion resistance from solid Type 316 stainless steel construction, this fastener is especially well suited for coastal environments, poolside decks, and any application where chloride exposure is a concern.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, making it ideal for saltwater environments, poolside installations, and anywhere chlorides are present\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads\u003c\/strong\u003e - clear excess material during installation to produce a clean, secure seat with no mushrooming or raised edges around the screw head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe thread design\u003c\/strong\u003e - provides strong holding power in composite decking material, reducing the risk of screw back-out over time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head with 0.230\" head diameter\u003c\/strong\u003e - sits flush against the decking surface for a neat, low-profile finish without snagging foot traffic\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers excellent torque transfer and reduces cam-out during installation, giving installers more control and a cleaner drive\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a more concealed, professional appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" length\u003c\/strong\u003e - sized to provide reliable fastening depth through composite decking boards into the substructure below\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eFor decks built near the ocean, around pools, or in high-humidity climates, Type 316 stainless steel offers severe-level corrosion resistance that standard stainless or coated screws cannot match - this is the right choice when chloride exposure is a real and ongoing risk.\u003c\/li\u003e\n \u003cli\u003eThe combination of the Type-17 point and inverted upper threads means composite decking boards seat cleanly without excess material building up around the head - no sanding, no cleanup, just a smooth professional result straight from the drive.\u003c\/li\u003e\n \u003cli\u003eThe gray painted cap head is specifically designed to color-match popular composite decking brands, so fasteners blend into the board surface rather than standing out - giving finished decks a cleaner, more refined look.\u003c\/li\u003e\n \u003cli\u003eA single screw engineered for all types of composite and PVC decking means there is no need to stock multiple fastener types or match screws to specific decking brands - one product handles the full range of composite installations.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316GR:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316GR:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316GR:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking is this screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is designed for use with all types of composite and PVC decking. Its Type-17 point and inverted upper threads are specifically engineered to penetrate and seat cleanly in composite materials without the need for pre-drilling.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 stainless steel recommended for decking applications near water or pools?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel provides severe-level corrosion resistance and is especially suited for environments where chlorides are present - such as coastal locations, poolside decks, and other high-moisture or salt-air conditions. This grade offers meaningfully greater resistance to corrosion than standard Type 304 stainless steel in those environments.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is available separately.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the gray painted head contribute to the finished appearance of a composite deck?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe cap head features a gray painted finish specifically designed to color-match popular composite decking manufacturers' boards. This allows the fastener to blend into the deck surface rather than standing out as a visible metal point, producing a more concealed, professional-looking installation. A Composite-Decking Color Cross-Reference chart is available in the Downloads section below to help match heads to specific decking products.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs for a fully concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591457923302,"sku":"DCU234C316GR","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223311590,"sku":"DCU234P316GR","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223344358,"sku":"DCU234MB316GR","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray_C0.jpg?v=1741659320"},{"product_id":"simpson-strong-tie-dcu234c316br05-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-brown","title":"Simpson #10 x 2-3\/4\" Brown 05, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Brown 05, Type 316 Stainless Steel\u003c\/strong\u003e delivers severe-level corrosion resistance engineered specifically for composite and PVC decking installations. Designed by Simpson for demanding outdoor environments - including coastal and chloride-exposed applications - this cap head fastener combines a Type-17 point for clean penetration with inverted upper threads that clear excess material, leaving a secure and professional finish. The color-matching painted head in Brown 05 blends seamlessly with popular composite decking brands, making it a go-to choice for contractors and DIYers who want concealed, polished results without sacrificing structural integrity.\u003c\/p\u003e\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, making this screw especially well-suited for chloride-rich environments such as coastal and poolside deck installations where standard fasteners can fail prematurely.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - pierces composite and PVC decking cleanly without splitting or cracking the material, reducing prep work and improving installation speed.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe Thread design)\u003c\/strong\u003e - clear excess decking material from around the fastener during installation, ensuring a flush, secure seat and a clean finished surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides high torque transfer with reduced cam-out risk, giving installers better control and a cleaner drive on every fastener.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230 in. head diameter\u003c\/strong\u003e - sits low against the deck surface for a streamlined, professional appearance that minimizes snagging and tripping hazards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 05 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' colors for a more concealed, finished look that enhances curb appeal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to deliver solid pull-through resistance into the decking substrate while maintaining a clean topside appearance.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003ePurpose-built for composite and PVC decking - the Type-17 point and inverted Tri-Lobe threads are engineered specifically for these materials, eliminating the need to mix and match fasteners across different decking products.\u003c\/li\u003e\n \u003cli\u003eHandles chloride and salt exposure - Type 316 stainless steel construction resists corrosion in seaside, poolside, and chemically exposed environments where lesser materials degrade quickly.\u003c\/li\u003e\n \u003cli\u003eDelivers a cleaner finished appearance - the Brown 05 painted cap head is matched to popular decking brands, giving the installed deck a more professional, color-coordinated look compared to bare metal fasteners.\u003c\/li\u003e\n \u003cli\u003eEngineered for reliable, consistent installation - the T20 6-Lobe drive reduces cam-out and the thread design clears material as the screw seats, minimizing installation errors and rework on composite decking projects.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 05\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316BR05:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316BR05:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316BR05:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eAll types of composite decking installation\u003c\/li\u003e\n \u003cli\u003ePVC decking fastening\u003c\/li\u003e\n \u003cli\u003eOutdoor deck projects in coastal or chloride-exposed environments\u003c\/li\u003e\n \u003cli\u003eApplications requiring severe-level corrosion resistance\u003c\/li\u003e\n \u003cli\u003eInstallations where color-matched concealed fastening is desired\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes this screw suitable for coastal or poolside deck installations?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is manufactured from Type 316 stainless steel, which provides severe-level corrosion resistance and is especially suited for environments with chlorides - such as coastal, marine, or poolside settings where standard fasteners are prone to rust and premature failure.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the BIT20T-2-R2, which can be found in the Related Products section below.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the Brown 05 color work with composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe painted cap head in Brown 05 is designed to match popular composite decking manufacturers' colors for a more concealed, professional finish. Refer to the Composite-Decking Color Cross-Reference chart available in the Downloads section to confirm compatibility with your specific decking brand.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat is the purpose of the inverted upper threads on this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper Tri-Lobe threads are engineered to clear excess material from around the fastener during installation into composite and PVC decking. This ensures a clean, flush seat and a secure installation without surface buildup or raised material around the screw head.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit for use with this screw\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs compatible with this fastener\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591457628390,"sku":"DCU234C316BR05","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223114982,"sku":"DCU234P316BR05","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223147750,"sku":"DCU234MB316BR05","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316BR05_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Brown05_C0.jpg?v=1741659319"},{"product_id":"simpson-strong-tie-dcu234br05r70-10-x-2-3-4-hand-drive-composite-deck-screw-brown-05","title":"Simpson #10 x 2-3\/4\" Brown 05, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Brown 05\u003c\/strong\u003e is a purpose-built fastener engineered for all types of composite and PVC decking installations. Featuring a Quik Guard coating for medium-level corrosion resistance, this carbon-steel screw delivers a clean, professional finish thanks to its color-matching painted cap head that blends with popular composite decking brands. Whether you are fastening composite deck boards on a residential project or a commercial outdoor structure, this screw is designed to drive smoothly, hold securely, and look great doing it.\u003c\/p\u003e\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making this screw well-suited for outdoor composite decking environments exposed to moisture and weather\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-drilling tip penetrates composite and PVC decking without pre-drilling, saving installation time and effort\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads (Tri-Lobe Thread Design)\u003c\/strong\u003e - engineered to clear excess composite material as the screw drives, resulting in a clean, flush seating without material buildup or surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. Diameter\u003c\/strong\u003e - low-profile head style sits flush against the decking surface for a smooth, finished appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - high-torque drive recess reduces cam-out and allows for more controlled, efficient driving during installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 05 Color-Matching Painted Head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a more concealed, professional-looking result\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e#10 x 2-3\/4 in. Size\u003c\/strong\u003e - sized appropriately for standard composite deck board thickness, ensuring reliable pull-through resistance and holding strength\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - this is not a general-purpose screw adapted for composite use, but a fastener engineered from the ground up for composite deck board applications, eliminating the need to mix and match fasteners across different decking products\u003c\/li\u003e\n \u003cli\u003eThe inverted upper thread design actively clears composite material as the screw seats, preventing the surface mushrooming or raised lips that commonly occur when standard screws are used in composite decking\u003c\/li\u003e\n \u003cli\u003eColor-matched Brown 05 painted heads integrate visually with popular deck board brands, delivering a finished appearance that generic stainless or silver-head screws cannot achieve in composite applications\u003c\/li\u003e\n \u003cli\u003eThe Quik Guard coating provides a corrosion-resistant barrier suited to medium-exposure outdoor environments, giving composite deck installations lasting protection against everyday moisture and weather\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 05\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR05R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR05R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234BR05MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for all types of composite and PVC decking. The Type-17 point and Tri-Lobe thread design work together to penetrate composite materials cleanly and seat flush without damaging the decking surface.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy do the upper threads have an inverted design?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered specifically for composite decking materials. As the screw drives into the composite board, these threads clear excess material away from the fastener head, preventing surface buildup and ensuring a clean, flush installation with no raised edges or mushrooming around the screw head.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. A compatible replacement driver bit is the BIT20T-2-R2, which is listed in the Related Products section below.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDoes the Brown 05 color match specific composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes - the Brown 05 painted cap head is formulated to blend with popular composite decking manufacturers' board colors. For a detailed cross-reference of which decking colors and brands this shade matches, refer to the Composite-Decking Color Cross-Reference chart available in the Downloads and Resources section below. Color-matching screw plugs are also available for an even more concealed finish.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2 - T20 6-Lobe Driver Bit\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution - Color-Matching Screw Plugs\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591456448742,"sku":"DCU234BR05R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753222918374,"sku":"DCU234BR05R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753222951142,"sku":"DCU234BR05MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234BR05_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Brown05_C0.jpg?v=1741659318"},{"product_id":"simpson-strong-tie-dcu234c316gr04-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray 04, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 316 Stainless Steel finish and Gray 04 color-matched head\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional appearance and severe-level corrosion resistance are both required. Manufactured by Simpson, this cap-head fastener combines a Type-17 point for effortless penetration through dense composite materials, inverted upper threads that actively clear away excess material during driving, and a color-matched painted head that blends seamlessly with popular composite decking brands - delivering results that look as good as they perform in demanding outdoor environments.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel finish\u003c\/strong\u003e - provides severe-level corrosion resistance, making this screw especially well suited for coastal, poolside, and chloride-rich environments where standard fasteners would fail prematurely\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing the risk of surface cracking or splitting\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads\u003c\/strong\u003e - engineered to clear excess composite material as the screw drives home, ensuring a snug, secure seat and a clean finished surface with no mushrooming around the head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230\" head diameter\u003c\/strong\u003e - sits flush or just below the decking surface for a low-profile, professional appearance that minimizes trip hazards and moisture trapping\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - delivers high torque transfer and reduces cam-out during installation, so each fastener seats consistently even under repeated driving conditions\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 04 color-matched painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a more concealed finish that preserves the visual appeal of the deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe thread design\u003c\/strong\u003e - reduces driving torque and holds composite material firmly, creating a secure connection without stressing the board around the fastening point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" length, #10 screw size\u003c\/strong\u003e - sized appropriately for typical composite and PVC deck board thickness over standard framing, providing adequate embedment depth for a reliable hold\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eIf your project is near saltwater, a pool, or any environment with elevated chloride exposure, the Type 316 stainless steel composition offers a level of corrosion protection that standard stainless or coated fasteners cannot match - keeping the deck structurally sound and visually clean for years.\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted upper threads means composite and PVC boards drive cleanly without the pre-drilling step that many competing fasteners require, reducing labor time on large deck installations without sacrificing fastener performance.\u003c\/li\u003e\n \u003cli\u003eColor-matched Gray 04 painted heads allow the screw heads to visually disappear into the decking surface, giving the finished deck a clean, gap-free look that aligns with the appearance goals most homeowners and contractors are aiming for.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive system reduces bit wear and cam-out, meaning fewer stripped heads and damaged board surfaces during installation - a practical advantage when driving large quantities of screws across an entire deck project.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 04\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316GR04:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316GR04:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316GR04:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite decking installations requiring severe-level corrosion resistance\u003c\/li\u003e\n \u003cli\u003ePVC decking fastening where a clean, flush head appearance is required\u003c\/li\u003e\n \u003cli\u003eCoastal and marine environments with elevated chloride or salt-air exposure\u003c\/li\u003e\n \u003cli\u003ePoolside and wet outdoor environments where standard fasteners corrode prematurely\u003c\/li\u003e\n \u003cli\u003eApplications requiring color-matched fastener heads to match popular composite deck board manufacturers\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes this screw different from a standard stainless steel deck screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses Type 316 stainless steel rather than the more common Type 304 stainless steel. Type 316 includes molybdenum, which provides significantly greater resistance to chlorides and harsh chemicals - making it the right choice for coastal, poolside, or any environment where standard fasteners would corrode and stain the deck surface over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite or PVC decking before driving this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The Type-17 point is specifically designed to penetrate composite and PVC decking without pre-drilling. Combined with the inverted upper threads that clear excess material during installation, the screw drives cleanly and seats securely without requiring an additional prep step.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit should I use with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e driver bit, available separately.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the Gray 04 color matching work with composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe painted head is formulated to blend with Gray 04 tones used by popular composite decking manufacturers. For a detailed cross-reference of which decking brands and colors the Gray 04 head is matched to, refer to the Composite-Decking Color Cross-Reference chart in the Downloads and Resources section below.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs for a fully concealed fastening finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591457824998,"sku":"DCU234C316GR04","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223246054,"sku":"DCU234P316GR04","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223278822,"sku":"DCU234MB316GR04","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR04_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray04_C0.jpg?v=1741659317"},{"product_id":"simpson-strong-tie-dcu234c305-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-305ss","title":"Simpson #10 x 2-3\/4\" Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 305 Stainless Steel finish\u003c\/strong\u003e is engineered specifically for fastening composite and PVC deck boards, delivering a clean, professional result in environments where corrosion resistance is critical. Featuring a Type-17 point for effortless penetration into composite materials and inverted upper threads that clear excess material during installation, this screw is designed to eliminate the common frustrations of composite deck fastening - no pre-drilling headaches, no surface tear-out, and no mixing and matching fasteners across different decking brands. The 305 stainless steel construction provides reliable protection against rust and oxidation, making it especially well-suited for coastal settings, poolside decks, and other applications exposed to chlorides or persistent moisture.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - delivers strong corrosion resistance for long-term performance in outdoor environments and areas with chloride exposure such as coastal or poolside decks\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite and PVC decking without pre-drilling, speeding up installation and reducing labor\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads\u003c\/strong\u003e - clear excess composite material during driving to produce a clean, flush surface with no raised or torn edges\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile, secure seating that sits cleanly against the deck board surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides positive engagement with the bit, reducing cam-out and improving driving consistency across long deck installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe threads\u003c\/strong\u003e - grip composite and PVC decking securely, reducing fastener wobble and ensuring a stable, lasting hold\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide proper penetration depth for standard composite decking board thicknesses\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatible with color-matching painted heads\u003c\/strong\u003e - available options to blend with popular composite decking manufacturers' colors for a more concealed, professional finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned exclusively for composite and PVC decking - the Type-17 point and inverted upper threads work together to prevent surface damage and material buildup that standard screws cause in composite materials\u003c\/li\u003e\n \u003cli\u003eA single screw solution for all composite decking brands - eliminates the need to stock multiple fastener types when working across different manufacturers' decking products\u003c\/li\u003e\n \u003cli\u003eType 305 stainless steel is particularly well-suited for chloride-rich environments - ideal for decks near saltwater, pools, or in humid coastal climates where standard fasteners corrode prematurely\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive and cap head combination reduces installation fatigue and cam-out on large deck projects, maintaining control and consistency from the first board to the last\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength (in.):\u003c\/strong\u003e 2 3\/4\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter (in.):\u003c\/strong\u003e 0.230\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e None\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C305:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite decking before driving these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point is engineered to penetrate composite and PVC decking directly, saving time and reducing steps during installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy do these screws have inverted upper threads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are specifically engineered to clear excess composite material as the screw is driven, ensuring a clean and secure installation without material buildup or surface disruption around the screw head.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eAre these screws suitable for use near saltwater or pools?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Type 305 Stainless Steel construction provides corrosion resistance and is especially suited for applications in environments with chlorides, including coastal and poolside deck installations.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is recommended for these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThese screws use a T20 6-Lobe drive. The compatible replacement bit is listed in the Related Products section below for convenient reference.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching DCU Screw Plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591456547046,"sku":"DCU234C305","price":31.18,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753222983910,"sku":"DCU234P305","price":142.09,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223016678,"sku":"DCU234MB305","price":492.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P305_ProdPho_Pho_Prod_Composite-Stainless-316-305-Angled_C0.jpg?v=1741659316"},{"product_id":"simpson-strong-tie-dcu234c316gr01-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray 01, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 316 Stainless Steel finish and Gray 01 painted cap head\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional result is essential. Built from Type 316 stainless steel, this fastener delivers severe-level corrosion resistance that stands up to chlorides, salt air, and demanding coastal or marine environments. The color-matched Gray 01 head blends seamlessly with popular composite deck board brands, keeping fasteners discreet while the precision engineering ensures a secure, flush installation every time.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance suited for marine, coastal, and salt-air environments where standard fasteners would fail prematurely\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper tri-lobe threads\u003c\/strong\u003e - clear excess material from the surface for a flush, clean finish that looks professional and requires less cleanup\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head design with 0.230 in. head diameter\u003c\/strong\u003e - delivers strong bearing surface for secure holding power while sitting flush against composite deck boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides high torque transfer and reduces cam-out during installation, giving the installer better control and fewer stripped heads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' boards for a more concealed, finished appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized for effective penetration into composite deck boards and underlying framing for a strong, lasting hold\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned for all types of composite and PVC decking, this screw eliminates the need to match multiple fastener types to different decking brands - one engineered solution works across applications\u003c\/li\u003e\n \u003cli\u003eThe Type 316 stainless steel construction specifically resists chloride-heavy environments, making it the right choice for docks, seaside decks, pool surrounds, and coastal construction where corrosion is a constant concern\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted upper threads means composite material is cleared away cleanly during installation, preventing mushrooming or raised edges around the fastener head\u003c\/li\u003e\n \u003cli\u003eColor-matching painted heads are engineered to blend with popular decking brands, delivering a concealed fastener appearance that adds a professional, finished look to composite deck installations\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316GR01:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316GR01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316GR01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eMarine\u003c\/li\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003cli\u003eCoastal \/ Salt Air\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 stainless steel specified for composite decking in coastal areas?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel contains molybdenum, which gives it severe-level corrosion resistance against chlorides found in saltwater, sea air, and pool environments. This makes it especially well-suited for marine, coastal, and salt-air applications where lesser stainless grades or coated fasteners would degrade over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite or PVC deck boards before driving these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The Type-17 point is specifically designed to penetrate composite and PVC decking without the need for pre-drilling. The point cuts into the material cleanly, simplifying installation and reducing the number of steps required on the job.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with the T20 6-Lobe drive on this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is recommended for use with these Deck-Drive DCU composite screws.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan the Gray 01 head color be matched with composite deck board plugs for a fully concealed look?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. Color-matching DCU screw plugs are available through the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e, allowing the fastener heads to be covered for an even more seamless and professional finish on composite deck surfaces.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching screw plugs for a concealed finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591457726694,"sku":"DCU234C316GR01","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223180518,"sku":"DCU234P316GR01","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223213286,"sku":"DCU234MB316GR01","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray01_C0.jpg?v=1741659315"},{"product_id":"simpson-strong-tie-dcu234c316tn02-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-tan","title":"Simpson #10 x 2-3\/4\" Tan 02, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Tan 02 color-matching painted head\u003c\/strong\u003e is engineered by Simpson for fastening all types of composite and PVC decking with severe-level corrosion resistance. Built from Type 316 stainless steel, this cap-head screw performs exceptionally well in coastal, poolside, and chloride-rich environments where standard fasteners fail prematurely. The color-matched Tan 02 finish blends with popular composite decking brands for a clean, professional appearance that lets the deck surface take center stage rather than the hardware.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, making it ideal for saltwater-adjacent, poolside, and high-chloride outdoor environments where standard steel fasteners would corrode and stain decking.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing the risk of surface cracking or splitting.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess composite material as the screw seats, ensuring a flush, clean finish and a secure, rattle-free hold.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - delivers excellent torque transfer and reduces cam-out during installation, meaning fewer stripped drives and a faster, more consistent workflow.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - seats flush against composite decking surfaces for a low-profile, snag-free result that looks intentional and professional.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 02 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' products so fasteners remain visually concealed for a polished finished deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide proper penetration depth through composite deck boards into the substructure below for a reliable, lasting connection.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - unlike general-purpose screws, the DCU's Type-17 point and inverted upper threads work together to handle the unique density and material behavior of composite boards, reducing mushrooming and surface blowout.\u003c\/li\u003e\n \u003cli\u003eSevere-level corrosion resistance from Type 316 stainless steel makes this screw the appropriate choice for decks near oceans, pools, or other chloride-heavy environments where even galvanized fasteners may not be sufficient.\u003c\/li\u003e\n \u003cli\u003eColor-matched Tan 02 painted heads eliminate the need to fill or cap screw holes after installation, reducing finishing labor and delivering a cleaner result right off the driver.\u003c\/li\u003e\n \u003cli\u003eEngineered by Simpson to be a universal composite decking fastener, this screw eliminates the guesswork of matching different screws to different composite board brands - one screw works across all types of composite and PVC decking.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 02\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316TN02:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316TN02:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316TN02:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eAll types of composite decking boards\u003c\/li\u003e\n \u003cli\u003ePVC decking boards\u003c\/li\u003e\n \u003cli\u003eDecking installations in coastal and saltwater-adjacent environments\u003c\/li\u003e\n \u003cli\u003eOutdoor deck applications in high-chloride or chemically aggressive environments\u003c\/li\u003e\n \u003cli\u003ePoolside and waterfront deck construction\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes Type 316 stainless steel better for composite decking applications than standard stainless steel?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel contains additional molybdenum compared to Type 304, which gives it superior resistance to chlorides - the corrosive compounds found in saltwater, pool chemicals, and coastal air. This makes it specifically suited for severe-level corrosion environments where standard fasteners would degrade and stain deck surfaces over time.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat T20 driver bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e from Simpson.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite decking before driving this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point is engineered to penetrate composite and PVC decking directly, while the inverted upper Tri-Lobe threads clear excess composite material during installation to ensure a clean, flush seating of the cap head without surface damage.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eHow do I know if Tan 02 matches my composite decking brand?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eSimpson provides a Composite-Decking Color Cross-Reference chart to help match DCU screw head colors to popular decking manufacturers. See the Downloads and Resources section below for that reference guide. Additionally, color-matching DCU Screw Plugs are also available - see the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e for compatible plug options.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs for a fully concealed finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591458021606,"sku":"DCU234C316TN02","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223377126,"sku":"DCU234P316TN02","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223409894,"sku":"DCU234MB316TN02","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN02_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan02_C0.jpg?v=1741659314"},{"product_id":"simpson-strong-tie-dcu234c316tn03-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-tan","title":"Simpson #10 x 2-3\/4\" Tan 03, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with a Tan 03 color-matched painted head\u003c\/strong\u003e is engineered specifically for fastening composite and PVC decking in demanding outdoor environments. Built from Type 316 stainless steel, this cap-head screw delivers severe-level corrosion resistance - making it an ideal choice for coastal installations, poolside decking, and any application where chlorides or harsh moisture exposure are a concern. The color-matching Tan 03 finish blends seamlessly with popular composite decking brands, producing a clean, professional result that hides hardware from view.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, especially suited for environments with chlorides such as coastal or pool-area decking where lesser alloys would corrode prematurely\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing splitting risk\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe Threads with inverted upper threads\u003c\/strong\u003e - clears excess material during installation to ensure a flush, secure, debris-free finish at the screw head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - seats firmly against composite decking surfaces for a tight, low-profile hold without over-driving\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides excellent bit engagement and torque transfer, reducing cam-out and driver fatigue during repetitive deck installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 03 color-matched painted head\u003c\/strong\u003e - blends with popular manufacturers' composite decking for a more concealed, professional appearance that doesn't draw attention to fasteners\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized for reliable penetration depth into composite decking boards and the substructure below, producing a secure long-term connection\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePurpose-built for composite and PVC decking\u003c\/strong\u003e - the DCU's Type-17 point and inverted upper threads are engineered together to handle the unique material properties of composite decking, eliminating the guesswork of using general-purpose screws\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSevere-level corrosion resistance where it matters most\u003c\/strong\u003e - Type 316 stainless steel is specifically suited for chloride-heavy environments like oceanfront homes and pool decks, where standard stainless or coated screws may fail over time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eClean finish without extra steps\u003c\/strong\u003e - the inverted upper threads actively clear composite material from the screw hole as it drives, so installers get a flush, professional result on every fastener without sanding or cleanup\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-matching head reduces visible hardware\u003c\/strong\u003e - the Tan 03 painted cap head is designed to blend with popular composite decking products, giving the finished deck a polished look that homeowners and contractors both appreciate\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 03\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316TN03:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316TN03:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316TN03:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking is the Deck-Drive DCU Composite Screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU is engineered for all types of composite and PVC decking. Its Type-17 point and Tri-Lobe thread design are specifically developed to penetrate and secure composite materials cleanly without pre-drilling.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 stainless steel used instead of Type 304 or a coated alternative?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel contains molybdenum, which gives it severe-level corrosion resistance - particularly in environments with chlorides such as saltwater coastal areas and pool surroundings. This makes it a more durable choice than Type 304 or standard coated screws for those specific conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is recommended for the Deck-Drive DCU Composite Screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe DCU uses a T20 6-Lobe drive, and the compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e. Using the correct bit ensures proper torque transfer and reduces cam-out during installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat does the Tan 03 color designation mean, and how do I know if it matches my decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eTan 03 refers to the specific painted cap head color applied to these screws, designed to blend with popular composite decking products from leading manufacturers. Refer to the Composite-Decking Color Cross-Reference chart in the Downloads section below to confirm compatibility with your specific decking brand and color.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit for use with DCU composite screws\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs for a fully concealed fastener finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591458119910,"sku":"DCU234C316TN03","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226195174,"sku":"DCU234P316TN03","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226227942,"sku":"DCU234MB316TN03","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN03_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan03_C0.jpg?v=1741659313"},{"product_id":"simpson-strong-tie-dcu234gr04r70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray 04, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Gray 04\u003c\/strong\u003e is a purpose-engineered fastener built for reliable, attractive installation in composite and PVC deck boards. Featuring a Quik Guard coating for medium-level corrosion resistance, this carbon-steel screw combines a Type-17 point for clean penetration with inverted upper threads that clear away excess material as you drive - resulting in a flush, professional finish every time. The color-matching painted cap head in Gray 04 blends seamlessly with popular composite decking products, keeping the fastener nearly invisible on your finished deck surface.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium corrosion resistance, making this screw suitable for outdoor composite and PVC deck board applications exposed to the elements\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-starting tip penetrates composite decking material cleanly without pre-drilling, saving installation time and effort\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe Threads with Inverted Upper Threads\u003c\/strong\u003e - engineered to clear excess composite material during driving, preventing surface mushrooming and delivering a clean, flush install\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head Design (0.230 in. diameter)\u003c\/strong\u003e - wider bearing surface seats firmly against the decking face for a secure hold without over-countersinking\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - provides excellent bit engagement and torque transfer, reducing cam-out and driver slippage during installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 04 Color-Matching Painted Head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a concealed, finished appearance on the completed deck\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. Length, #10 Screw Size\u003c\/strong\u003e - sized for effective fastening depth into composite deck boards and the structural framing below\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAvailable in a wide range of colors\u003c\/strong\u003e - lets you match screws precisely to different decking product lines without mixing fastener types\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eEngineered specifically for composite and PVC decking - eliminates the guesswork of selecting a general-purpose screw that may not seat correctly or resist corrosion adequately in an outdoor deck environment\u003c\/li\u003e\n \u003cli\u003eThe inverted upper thread design solves a common composite decking problem - excess material buildup around the screw head - by actively clearing debris during installation so the head sits flush without additional cleanup\u003c\/li\u003e\n \u003cli\u003eColor-matching Gray 04 painted heads mean the fasteners become part of the finished look rather than an eyesore, delivering the clean aesthetic composite decking is known for\u003c\/li\u003e\n \u003cli\u003eQuik Guard coating provides the medium-level corrosion resistance required for typical outdoor decking exposures, protecting the screw's integrity and appearance over the long term\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 04\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR04R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR04R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR04MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003cli\u003ePVC decking board fastening\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for all types of composite or PVC decking. The Type-17 point and Tri-Lobe thread geometry are specifically engineered to penetrate and fasten composite deck board material cleanly and securely.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy does this screw have inverted upper threads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered to clear excess composite material that is displaced as the screw is driven into the deck board. This prevents material from piling up around the head, ensuring the cap head seats flush for a clean, professional installation result.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is recommended for installing this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive type. A compatible replacement driver bit is listed in the Related Products section below for easy reference.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the Quik Guard coating protect against corrosion in outdoor decking applications?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Quik Guard coating is formulated to resist medium levels of corrosion, making it well-suited for typical outdoor composite and PVC deck board installations where the fasteners are exposed to moisture and weather over time.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - compatible T20 6-Lobe replacement driver bit for driving DCU composite screws\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - color-matching DCU screw plugs compatible with this fastener for a fully concealed deck surface\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591458316518,"sku":"DCU234GR04R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226326246,"sku":"DCU234GR04R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226359014,"sku":"DCU234GR04MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234GR04_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Gray04_C0.jpg?v=1741659312"},{"product_id":"simpson-strong-tie-dcu234grr70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Gray, #10 x 2-3\/4\"\u003c\/strong\u003e is a purpose-built fastener from Simpson designed to deliver clean, professional results when installing composite or PVC deck boards. Featuring a Quik Guard coating that resists medium levels of corrosion, this carbon-steel screw is engineered for all types of composite decking applications where a flush, color-matched finish matters as much as structural performance. The painted cap head blends with popular decking brands, making it a go-to choice for contractors and DIYers who want fastening hardware that disappears into the deck surface.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium corrosion resistance, making these screws well-suited for outdoor deck environments exposed to moisture and weather\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, speeding up installation and reducing labor time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Tri-Lobe Threads\u003c\/strong\u003e - clear excess composite material as the screw seats, resulting in a clean, flush surface free of raised material around the head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with Gray Painted Finish\u003c\/strong\u003e - color-matched to blend with popular composite decking manufacturers' boards, giving the finished deck a concealed, professional appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - provides high torque transfer with reduced cam-out risk, improving driver bit engagement and installation control\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e0.230\" Head Diameter\u003c\/strong\u003e - sized specifically for composite deck boards, ensuring the head seats properly without oversizing the surface impression\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e#10 Screw Size at 2-3\/4\" Length\u003c\/strong\u003e - matched to standard composite decking thickness requirements for secure, code-compatible fastening\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eEngineered specifically for composite and PVC decking - eliminates the guesswork of choosing a general-purpose screw that may not seat correctly or resist the unique properties of composite board materials\u003c\/li\u003e\n \u003cli\u003eThe Quik Guard coating paired with carbon-steel construction delivers medium-level corrosion resistance suited for typical outdoor deck exposure, helping fasteners maintain holding strength over time\u003c\/li\u003e\n \u003cli\u003eThe color-matching gray painted cap head conceals the fastener against the deck surface, producing a cleaner finished appearance without plug covers or additional concealment steps\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted upper threads means fewer surface defects and less cleanup after installation - composite material clears away rather than bunching around the screw head\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GRR70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GRR350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GRMB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking material is this screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is designed to resist medium levels of corrosion and is compatible with all types of composite or PVC decking. The Type-17 point is engineered to penetrate composite decking cleanly, and the inverted upper threads clear excess material for a flush, secure installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy does this screw have inverted upper threads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper Tri-Lobe threads are engineered to clear away excess composite material as the screw is driven in. This prevents material from bunching around the head and ensures a clean, flush finish at the deck surface - an important consideration with composite and PVC boards that behave differently than natural wood under fastener pressure.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the recommended bit option.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDoes the gray color match specific composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes - the cap heads are painted gray to match popular composite decking manufacturers' boards. Simpson offers a Composite-Decking Color Cross-Reference chart (available in the Downloads section below) to help match screw color to specific decking products. The Deck-Drive DCU is available in a wide range of colors to suit different decking systems.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe replacement driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching DCU Screw Plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591458414822,"sku":"DCU234GRR70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226391782,"sku":"DCU234GRR350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226424550,"sku":"DCU234GRMB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234GR_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Gray_C0.jpg?v=1741659310"},{"product_id":"simpson-strong-tie-dcu234gr01r70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-gray","title":"Simpson #10 x 2-3\/4\" Gray 01, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Gray 01\u003c\/strong\u003e is a purpose-built fastener designed to deliver clean, secure, and corrosion-resistant results when installing composite or PVC deck boards. Engineered by Simpson with a Quik Guard coating for medium-level corrosion resistance, this #10 x 2-3\/4\" cap head screw features a Type-17 point for smooth penetration into composite decking materials, along with inverted upper threads that clear excess material as the screw drives - leaving a flush, professional finish. The color-matching painted head in Gray 01 blends seamlessly with popular composite decking brands, making it an ideal choice for installers who want concealed fastening results without sacrificing holding strength or durability.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance suited for outdoor composite deck installations where moisture exposure is a factor\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-piercing tip penetrates composite and PVC decking cleanly, reducing the need for pre-drilling and speeding up installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads (Tri-Lobe Thread design)\u003c\/strong\u003e - clear excess composite material during installation, resulting in a clean, flush surface and a secure mechanical connection\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" head diameter\u003c\/strong\u003e - distributes clamping force evenly across the decking surface for a stable, low-profile fastened joint\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - provides positive driver engagement and reduces cam-out, giving installers more control and consistency across long runs of decking\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' boards for a more concealed, professional-looking finished deck\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCarbon steel construction\u003c\/strong\u003e - delivers reliable structural integrity in composite and PVC deck board fastening applications\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC deck boards - the Type-17 point and Tri-Lobe thread geometry work together to prevent surface mushrooming and ensure a tight, clean seat every time, without adapting a general-purpose fastener to the job\u003c\/li\u003e\n \u003cli\u003eThe Gray 01 painted cap head is engineered to match popular decking products, so the finished surface looks intentional and polished rather than exposing raw silver hardware against a colored deck field\u003c\/li\u003e\n \u003cli\u003eQuik Guard coating targets medium corrosion conditions common in outdoor deck environments, making this screw a practical choice for residential and commercial composite decking projects exposed to rain and humidity\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces driver slippage during installation, which means fewer stripped heads, less material damage, and faster completion across full deck installations\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR01R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR01R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234GR01MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eIs this screw compatible with all types of composite and PVC decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Deck-Drive DCU Composite Screw is designed to work with all types of composite or PVC decking. The Type-17 point and Tri-Lobe thread pattern are engineered specifically for these materials to ensure a clean, secure installation without surface damage.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the recommended bit option.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat level of corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Quik Guard coating is formulated to resist medium levels of corrosion, making it well suited for outdoor composite deck board installations where the fasteners will be exposed to moisture and general weather conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan I use color-matching plugs to further conceal the screw heads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Deck-Drive DCU screw is compatible with color-matching DCU Screw Plugs. See the Related Products section for the Deck-Drive Screw Plug Solution, which allows for an even more concealed finished appearance on composite deck surfaces.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs for a more concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591458218214,"sku":"DCU234GR01R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226260710,"sku":"DCU234GR01R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226293478,"sku":"DCU234GR01MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234GR01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Gray01_C0.jpg?v=1741659309"},{"product_id":"simpson-strong-tie-dcu234mb305rd01-10-x-2-3-4-305ss-hand-drive-deck-screw-red01-1750ct","title":"Simpson #10 x 2-3\/4\" Red 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with a Red 01 color-matching painted head\u003c\/strong\u003e is a purpose-built fastening solution for composite and PVC decking installations. Crafted from Type 305 stainless steel, this deck screw delivers outstanding corrosion resistance, making it especially well-suited for environments exposed to chlorides, moisture, and the demanding conditions of outdoor deck construction. The engineered design combines a Type-17 point for clean penetration, inverted upper threads that evacuate excess material, and a cap head profile that seats flush for a professional, concealed finish - all in a single fastener designed to eliminate the guesswork of mixing and matching screws to decking brands.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel construction\u003c\/strong\u003e - provides strong corrosion resistance for composite and PVC deck applications, including environments with elevated chloride exposure such as coastal or poolside settings\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite decking cleanly without pre-drilling, reducing installation time and effort on the job\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper thread design (Tri-Lobe Threads)\u003c\/strong\u003e - clears excess composite material as the screw seats, ensuring a clean, secure installation with no debris buildup around the fastener head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - delivers positive bit engagement to reduce cam-out, giving installers greater control and a cleaner countersink every time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head profile with 0.230 in. head diameter\u003c\/strong\u003e - seats consistently in composite decking for a low-profile, flush finish that looks intentional and professional\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRed 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' colors so fasteners remain discreet and the overall deck surface looks polished and uniform\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - provides adequate penetration depth for composite deck board fastening in standard residential and light commercial deck construction\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEngineered specifically for composite and PVC decking\u003c\/strong\u003e - unlike general-purpose wood screws, the DCU's Type-17 point and inverted upper threads are designed to work with the unique properties of composite materials, preventing surface blowout and ensuring a tight, stable connection without splitting or cracking the board\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOne screw for all composite decking types\u003c\/strong\u003e - the DCU is designed as a universal composite deck fastener, eliminating the need to source different screws for different decking brands and simplifying your fastener inventory on the job site\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-matched heads create a concealed finish\u003c\/strong\u003e - the Red 01 painted cap head is formulated to blend with popular decking colors, so the finished deck surface looks clean and intentional rather than visibly fastened\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 stainless steel for long-term outdoor performance\u003c\/strong\u003e - especially suited for chloride-rich environments like coastal areas or around pools, where standard carbon steel fasteners would corrode prematurely and compromise the deck structure\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305RD01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305RD01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered for use with all types of composite and PVC decking. Its Type-17 point and inverted upper threads are specifically designed to penetrate and secure composite deck boards cleanly, making it a versatile choice across composite decking brands and profiles.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 stainless steel used for this composite deck screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides strong corrosion resistance suitable for outdoor deck environments. It is especially well-suited for applications where chlorides are present - such as coastal locations or areas near swimming pools - where lesser materials would degrade more quickly and compromise the integrity of the fastened connection over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The recommended replacement driver bit is the BIT20T-2-R2, which is listed in the Related Products section below. Using the correct bit ensures positive engagement, reduces cam-out, and helps protect the painted head during installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow do the inverted upper threads benefit composite decking installation?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered to clear excess composite material as the screw is driven home. This prevents material buildup around the fastener head, resulting in a clean countersink, a more secure seating, and a finished surface that looks professional and uniform without surface debris or raised edges around each screw.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit for DCU composite screws\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs compatible with this fastener\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591458513126,"sku":"DCU234P305RD01","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226457318,"sku":"DCU234MB305RD01","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316RD01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Red01_C0.jpg?v=1741659307"},{"product_id":"simpson-strong-tie-dcu234p305gr-10-x-2-3-4-305ss-hand-drive-deck-screw-gray-350ct","title":"Simpson #10 x 2-3\/4\" Gray, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Gray, Type 305 Stainless Steel\u003c\/strong\u003e is purpose-built for fastening composite and PVC deck boards with a clean, professional result. Engineered by Simpson for demanding outdoor decking installations - including environments exposed to chlorides such as coastal or poolside applications - this cap-head composite decking screw combines corrosion-resistant Type 305 stainless steel construction with innovative thread and point geometry that makes installation faster and cleaner. The color-matching gray painted head blends seamlessly with popular composite decking manufacturers' products, eliminating visible fastener heads for a more concealed finish.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - delivers strong corrosion resistance for outdoor composite deck applications, making it especially well-suited for environments with chloride exposure such as coastal or pool-adjacent decking.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing surface damage.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper (Tri-Lobe) threads\u003c\/strong\u003e - engineered to clear excess composite material as the screw drives, ensuring a flush, clean, and secure installation with no mushrooming around the fastener head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head style with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile bearing surface that seats flush against composite board surfaces for a tidy, professional appearance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - maximizes torque transfer and reduces driver bit cam-out, resulting in greater control and less surface marring during installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray color-matching painted head\u003c\/strong\u003e - blends with popular composite decking products for a more concealed, professional finish that does not draw attention to the fastener.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length in #10 screw size\u003c\/strong\u003e - sized for reliable holding power when fastening composite deck boards to wood framing, providing the penetration depth needed for a secure connection.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - the Type-17 point and inverted Tri-Lobe threads work together to penetrate and fasten composite boards cleanly, eliminating the need to mix and match different screws for different decking types.\u003c\/li\u003e\n \u003cli\u003eType 305 stainless steel construction makes this screw a reliable choice for decking projects in chloride-rich environments - such as seaside or poolside installations - where standard steel fasteners would corrode prematurely.\u003c\/li\u003e\n \u003cli\u003eThe gray painted cap head is engineered to match popular composite decking colors, so the finished deck surface looks polished and consistent without visible fastener hardware standing out.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces cam-out and wasted effort during installation, which translates to faster, more consistent results across large decking projects.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength (in.):\u003c\/strong\u003e 2 3\/4\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter (in.):\u003c\/strong\u003e 0.230\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305GR:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305GR:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy are these screws recommended for composite and PVC decking over standard wood screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU is engineered specifically for composite and PVC decking applications. The Type-17 point penetrates composite material cleanly, while the inverted Tri-Lobe upper threads clear excess material during installation to produce a flush, secure result. Standard wood screws do not have these design features and can cause composite decking to mushroom or crack around the fastener head.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes this screw suitable for environments with chlorides?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is constructed from Type 305 stainless steel, which is selected specifically for its corrosion resistance in environments exposed to chlorides - such as coastal areas, poolside decks, and similar high-moisture or salt-exposed settings. The Type 305 stainless steel material resists the oxidation and degradation that would affect standard steel or lower-grade stainless fasteners in those conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWill the gray painted head match my composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe gray painted cap head is designed to blend with popular composite decking manufacturers' products. For specific color compatibility, refer to the Composite-Decking Color Cross-Reference chart available in the Downloads and Resources section below.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit do I need to install this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is listed in the Related Products section below. Using the correct bit ensures maximum torque transfer and minimizes cam-out during installation.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching DCU screw plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459725542,"sku":"DCU234P305GR","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226621158,"sku":"DCU234MB305GR","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray_C0_f599de17-1ad7-4cbb-857b-1d48def1f02d.jpg?v=1741659305"},{"product_id":"simpson-strong-tie-dcu234p305br05-10-x-2-3-4-305ss-hand-drive-deck-screw-brown05-350ct","title":"Simpson #10 x 2-3\/4\" Brown 05, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 305 Stainless Steel finish\u003c\/strong\u003e is engineered specifically for composite and PVC deck board installations where a clean, professional result matters. Built by Simpson with a Type-17 penetrating point and inverted upper threads that clear away excess material, this cap-head fastener drives smoothly into composite decking surfaces without the mushrooming or surface damage common with standard screws. The Brown 05 color-matching painted head blends with popular composite deck boards from leading manufacturers, delivering a concealed, finished appearance that elevates the look of any deck project. Type 305 stainless steel construction provides dependable corrosion resistance, making this screw especially well-suited for outdoor decking environments exposed to chlorides, moisture, and coastal conditions.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - delivers strong corrosion resistance for outdoor composite decking applications, including environments with chloride exposure such as coastal or poolside installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC deck boards cleanly without pre-drilling, reducing installation time and effort on the job\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess composite material during driving, ensuring a flush, secure seat and a clean finished surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile bearing surface that sits flush and neat against composite deck boards without over-driving\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - delivers positive bit engagement, reducing cam-out and improving torque transfer for faster, more consistent installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 05 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking brands for a more concealed, professional finish that hides fasteners from view\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized for reliable penetration and holding power through standard composite deck board thicknesses into the framing below\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned exclusively for composite and PVC decking, this screw eliminates the need to mix and match fasteners across different board types - one screw handles all your composite deck board applications from a single trusted source\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted clearing threads means composite material is removed cleanly as the screw seats, preventing surface buildup and the unsightly raised rings that can appear with general-purpose screws\u003c\/li\u003e\n \u003cli\u003eType 305 stainless steel is particularly suited for chloride-heavy environments - poolside decks, coastal properties, and high-humidity outdoor spaces where standard steel fasteners would corrode prematurely\u003c\/li\u003e\n \u003cli\u003eColor-matched Brown 05 painted heads blend with popular manufacturers' composite decking for a finished appearance that looks intentional, not fastener-forward - a detail that matters on high-visibility residential and commercial deck surfaces\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 05\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305BR05:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305BR05:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 stainless steel recommended for composite decking applications?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides strong corrosion resistance across a wide range of outdoor environments, and is especially suited for applications where chlorides are present - such as coastal decks, poolside installations, or areas exposed to de-icing salts. Using a corrosion-resistant fastener in composite decking helps ensure the structural integrity of the connection over time without rust staining on the deck surface.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite deck boards before driving this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point on the Deck-Drive DCU Composite Screw is specifically engineered to penetrate composite and PVC decking materials directly. The inverted upper Tri-Lobe Threads then clear excess composite material during driving to seat the screw cleanly and securely without surface damage.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the recommended bit option.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWill the Brown 05 head color match my composite deck boards?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Brown 05 painted cap head is designed to blend with popular composite decking manufacturers' board colors. For a full reference of which composite decking brands and colors this shade is matched to, see the Composite-Decking Color Cross-Reference chart linked in the Downloads and Resources section below. Compatible color-matching DCU Screw Plugs are also available for an even more concealed finish - see the Deck-Drive Screw Plug Solution link in Related Products.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs for a fully concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591458644198,"sku":"DCU234P305BR05","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226522854,"sku":"DCU234MB305BR05","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316BR05_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Brown05_C0_a0ce77b1-83ef-4c43-ad9b-a904a2bbcaff.jpg?v=1741659303"},{"product_id":"simpson-strong-tie-dcu234p305gr04-10-x-2-3-4-305ss-hand-drive-deck-screw-gray04-350ct","title":"Simpson #10 x 2-3\/4\" Gray 04, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 305 Stainless Steel finish\u003c\/strong\u003e is purpose-built for fastening composite and PVC deck boards, delivering corrosion resistance and a clean, concealed appearance in one engineered fastener. Designed by Simpson, this deck screw combines a Type-17 point for clean penetration, inverted upper threads that clear excess material, and a color-matching painted cap head in Gray 04 - making it an ideal choice for professional deck installations and DIY composite decking projects alike. The Type 305 stainless steel construction is especially well-suited for outdoor environments with exposure to chlorides, salt air, or moisture, where long-term corrosion protection is critical.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - provides robust corrosion resistance for composite and PVC decking applications, particularly in coastal or chloride-rich environments where standard fasteners fail prematurely.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite decking cleanly without pre-drilling, saving installation time and reducing surface damage during fastening.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess material away from the installation zone, resulting in a secure, flush connection and a clean finished surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" head diameter\u003c\/strong\u003e - sits firmly against the decking surface for a secure hold while maintaining a low-profile, finished appearance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers high torque transfer with reduced cam-out risk, making installation faster and more reliable compared to traditional Phillips-drive screws.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 04 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' colors for a more concealed, professional finish that enhances the overall appearance of the deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" length in #10 screw size\u003c\/strong\u003e - appropriately sized for composite deck board fastening, providing the holding depth needed for a secure, long-lasting installation.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eEliminates the need to mix and match fasteners across different composite decking brands - the DCU is engineered for all types of composite and PVC decking, simplifying your fastener selection on the job site.\u003c\/li\u003e\n \u003cli\u003eThe Type 305 stainless steel finish addresses corrosion concerns head-on, making this screw a dependable choice for decks exposed to moisture, salt spray, or chloride-heavy environments where inferior fasteners would corrode and stain the deck surface.\u003c\/li\u003e\n \u003cli\u003eThe color-matching Gray 04 painted head blends with popular decking manufacturers' products, giving the finished deck a cleaner, more professional look compared to standard silver or zinc-plated screws.\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted upper threads means the screw drives cleanly and clears material efficiently - reducing installation effort and the likelihood of surface mushrooming or raised material around the fastener head.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 04\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305GR04:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305GR04:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe DCU Composite Screw is engineered for all types of composite and PVC decking. Its Type-17 point and Tri-Lobe threads are specifically designed to penetrate and fasten composite deck boards cleanly and securely, without the need to mix and match different fasteners for different decking brands.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 Stainless Steel used for this screw, and where does it perform best?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides strong corrosion resistance, making the DCU Composite Screw especially well-suited for outdoor decking environments exposed to chlorides - such as coastal locations, areas with salt air exposure, or situations involving frequent moisture contact. This material helps ensure the fastener maintains its integrity and appearance over time in demanding conditions.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is compatible with the Deck-Drive DCU Composite Screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe DCU Composite Screw uses a T20 6-Lobe drive type. A compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is designed to work with this screw for efficient, low-cam-out installation.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eHow does the inverted upper thread design benefit the installation process?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper Tri-Lobe Threads on the DCU Composite Screw are engineered to clear excess composite material away from the fastener hole as the screw is driven. This prevents material from piling up or mushrooming around the screw head, resulting in a clean, flush, and secure installation with a more finished appearance at the deck surface.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs compatible with these fasteners\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459660006,"sku":"DCU234P305GR04","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226588390,"sku":"DCU234MB305GR04","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR04_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray04_C0_60c30b28-2418-4acf-8c7c-5d00cc3f9f25.jpg?v=1741659302"},{"product_id":"simpson-strong-tie-dcu234p305br01-10-x-2-3-4-305ss-hand-drive-deck-screw-brown01-350ct","title":"Simpson #10 x 2-3\/4\" Brown 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 305 Stainless Steel finish and Brown 01 color\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional appearance and long-lasting corrosion resistance are essential. The Type 305 stainless steel construction provides outstanding resistance to corrosion - making these screws especially well-suited for coastal, poolside, and other environments where chloride exposure is a concern. With a color-matching painted cap head in Brown 01, these fasteners blend seamlessly with popular composite decking manufacturers' boards, delivering a concealed, finished look that elevates the appearance of any deck surface.\u003c\/p\u003e\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - provides strong corrosion resistance in outdoor environments, including areas exposed to chlorides such as coastal or poolside deck applications\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing material stress\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTri-Lobe Thread design\u003c\/strong\u003e - engineered to grip composite decking material firmly, creating a secure, stable connection that resists pull-through and loosening over time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads\u003c\/strong\u003e - clear excess composite material during installation, ensuring a clean, flush seating of the screw head and reducing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides excellent bit engagement and torque transfer, reducing cam-out and making installation more efficient with less fatigue\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head profile with 0.230 in. head diameter\u003c\/strong\u003e - seats flush and securely against composite decking surfaces for a refined, professional finish\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 01 color-matching painted heads\u003c\/strong\u003e - blend with popular composite deck board colors for a more concealed fastening appearance that enhances curb appeal\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized appropriately for composite deck board applications, offering sufficient penetration depth for a strong, lasting hold\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned exclusively for composite and PVC decking - the Type-17 point and Tri-Lobe threads work together to handle the specific material properties of composite boards without cracking, mushrooming, or requiring pre-drilling\u003c\/li\u003e\n \u003cli\u003eThe Type 305 stainless steel finish makes this screw a smart choice for high-moisture or chloride-rich environments where standard carbon steel fasteners would corrode and stain deck surfaces over time\u003c\/li\u003e\n \u003cli\u003eColor-matching Brown 01 painted heads reduce the visual impact of fasteners on the finished deck surface, producing the clean, professional appearance that composite decking is chosen for in the first place\u003c\/li\u003e\n \u003cli\u003eThe inverted upper thread design actively clears excess composite material during installation, eliminating the mushrooming and raised edges around screw heads that can occur with general-purpose screws used on composite boards\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305BR01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305BR01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eAre these screws suitable for use near saltwater or pools?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Type 305 stainless steel construction provides strong corrosion resistance and is especially suited for environments with chloride exposure, such as coastal or poolside composite deck installations.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill holes in my composite decking before installing these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The Type-17 point on the Deck-Drive DCU is engineered to penetrate composite and PVC decking directly without pre-drilling, simplifying and speeding up installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit do I need for these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThese screws use a T20 6-Lobe drive, which requires a compatible T20 6-Lobe driver bit for installation. A compatible replacement bit is listed in the Related Products section below.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat is the purpose of the inverted upper threads on the DCU screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered to clear excess composite material as the screw is driven in. This prevents the material from mushrooming up around the screw head, resulting in a clean, flush, and secure installation on composite and PVC deck boards.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e\u003c\/li\u003e\n \u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591458578662,"sku":"DCU234P305BR01","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226490086,"sku":"DCU234MB305BR01","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316BR01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Brown01_C0.jpg?v=1741659300"},{"product_id":"simpson-strong-tie-dcu234p305tn01-10-x-2-3-4-305ss-hand-drive-deck-screw-tan01-350ct","title":"Simpson #10 x 2-3\/4\" Tan 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Type 305 Stainless Steel with Tan 01 color-matching painted heads\u003c\/strong\u003e is engineered by Simpson for reliable, clean, and corrosion-resistant fastening of composite and PVC deck boards. Designed specifically for composite decking applications, this cap-head screw combines a Type-17 point for easy penetration, inverted upper threads that clear away excess material, and a painted head that blends with popular decking manufacturers' colors for a polished, professional appearance. Whether you are building a new deck or replacing boards in a coastal or chloride-rich environment, this stainless-steel composite decking screw delivers secure installation and long-term performance.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - provides superior corrosion resistance, making this screw especially suited for outdoor deck applications in environments with exposure to chlorides, salt air, or moisture.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing material stress.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe threads\u003c\/strong\u003e - engineered to clear excess composite material during driving, ensuring a flush, clean, and secure fastener seat every time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head design with 0.230 in. head diameter\u003c\/strong\u003e - creates a low-profile, consistent surface contact that holds deck boards firmly without crushing composite material.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers excellent bit engagement and reduces cam-out, giving installers more control and a cleaner drive in composite deck boards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a more concealed, professional finished look that enhances the overall appearance of the deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide proper penetration depth and holding strength through composite deck boards into structural framing members.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePurpose-built for composite and PVC decking\u003c\/strong\u003e - unlike generic wood screws, the DCU is specifically engineered with a Type-17 point and inverted upper threads to work with the unique density and material behavior of composite and PVC deck boards, eliminating the need to mix and match different fasteners for different decking types.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIdeal for chloride-rich and coastal environments\u003c\/strong\u003e - the Type 305 stainless steel finish resists corrosion even in harsh outdoor conditions where standard fasteners would degrade, helping the deck maintain structural integrity and appearance over time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAchieves a cleaner, more concealed finish\u003c\/strong\u003e - the Tan 01 color-matched painted cap head is designed to blend with popular decking brand colors, reducing the visual impact of fastener heads on finished deck surfaces for a more professional result.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReduces installation effort and rework\u003c\/strong\u003e - the combination of a self-starting Type-17 point, material-clearing Tri-Lobe threads, and a T20 6-Lobe drive means fewer stripped fasteners, less excess material buildup, and a faster, cleaner installation process from start to finish.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305TN01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305TN01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU is designed for use with all types of composite and PVC decking. Its Type-17 point and inverted upper Tri-Lobe threads are specifically engineered to penetrate and clear excess composite material during installation, making it the purpose-built fastener for composite deck board applications.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 Stainless Steel used for this composite decking screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides strong corrosion resistance, making this screw especially well-suited for outdoor decking environments where exposure to moisture or chlorides - such as coastal or poolside settings - could cause standard fasteners to corrode and fail over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with the T20 6-Lobe drive on this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e driver bit.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the Tan 01 color-matching painted head work with composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Tan 01 painted cap head is designed to blend with popular composite decking manufacturers' board colors. A Composite-Decking Color Cross-Reference chart is available in the Downloads and Resources section below to help match the correct head color to specific decking brands, enabling a more concealed and professional finished appearance.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs for a concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459856614,"sku":"DCU234P305TN01","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226686694,"sku":"DCU234MB305TN01","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan01_C0.jpg?v=1741659299"},{"product_id":"simpson-strong-tie-dcu234p305rd-10-x-2-3-4-305ss-hand-drive-deck-screw-red-350ct","title":"Simpson #10 x 2-3\/4\" Red, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Red, Type 305 Stainless Steel\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional finish and reliable corrosion resistance are essential. Crafted from Type 305 stainless steel, these cap-head fasteners are particularly well-suited for decking environments exposed to chlorides - including coastal and high-humidity settings - where standard screws would degrade over time. The color-matched red painted head blends seamlessly with popular composite decking brands, keeping fasteners visually concealed for a refined, finished look on any deck surface.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel construction\u003c\/strong\u003e - delivers strong corrosion resistance in composite decking environments, including areas exposed to chlorides such as coastal or poolside applications, so fasteners maintain their integrity over time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite decking cleanly without pre-drilling, reducing installation time and effort while minimizing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess material as the screw seats, resulting in a clean, flush installation without mushrooming or surface buildup around the fastener\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - provides superior torque transfer and reduces cam-out during driving, giving installers better control and a more consistent result across an entire deck board run\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230 in. head diameter\u003c\/strong\u003e - sits low and flush against composite decking surfaces, contributing to the smooth, professional appearance of finished deck boards\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-matching red painted head\u003c\/strong\u003e - visually integrates with popular manufacturers' composite decking products, creating a more concealed fastening system that enhances the overall aesthetic of the completed deck\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length in #10 screw size\u003c\/strong\u003e - sized for reliable penetration depth and holding strength in composite decking applications without over-penetrating substructure materials\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned from the ground up for composite and PVC decking - the Type-17 point and Tri-Lobe threading work together to drive cleanly through composite material without the cracking, mushrooming, or surface damage that can result from using general-purpose screws\u003c\/li\u003e\n \u003cli\u003eType 305 stainless steel is especially suited for chloride-rich environments, making this screw a dependable choice for deck projects near saltwater, pools, or other areas where corrosion is an ongoing concern\u003c\/li\u003e\n \u003cli\u003eThe red color-matching painted head eliminates the visible fastener look common with standard silver or zinc screws, giving composite deck surfaces the clean, uniform appearance that professional installations demand\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces cam-out and slippage during installation, helping maintain consistent countersink depth across every board - a practical advantage when driving large numbers of fasteners on a full deck project\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305RD:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305RD:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy are these screws recommended for environments with chlorides?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThese screws are made from Type 305 stainless steel, which provides corrosion resistance in settings where chlorides are present - such as coastal areas, poolside decks, or regions where road salts may be a factor. The stainless steel material resists oxidation and surface degradation that would compromise a standard coated screw over time in those conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat is the purpose of the Tri-Lobe threading and inverted upper threads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Tri-Lobe thread profile, combined with the inverted upper threads, is engineered to clear excess composite material as the screw is driven. This prevents the buildup and surface mushrooming that can occur around fastener heads in composite decking, resulting in a clean, flush, and secure installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is designed to work with the Deck-Drive DCU composite screw for consistent torque and reduced cam-out during installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the color-matching painted head work with composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe painted cap head is color-matched to blend with popular composite decking manufacturers' products. Because the head sits flush against the board surface at only 0.230 in. in diameter, it becomes visually integrated into the deck surface rather than standing out, giving the finished deck a more polished and professional appearance. Refer to the Composite-Decking Color Cross-Reference chart in the Downloads section to match the correct screw color to your specific decking product.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \n \u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459791078,"sku":"DCU234P305RD","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226653926,"sku":"DCU234MB305RD","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316RD_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Red_C0.jpg?v=1741659297"},{"product_id":"simpson-strong-tie-dcu234p305gr01-10-x-2-3-4-305ss-hand-drive-deck-screw-gray01-350ct","title":"Simpson #10 x 2-3\/4\" Gray 01, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with a Type 305 Stainless Steel finish and Gray 01 color-matched painted head\u003c\/strong\u003e is engineered specifically for composite and PVC deck board fastening applications. Designed by Simpson, this cap-head screw delivers a clean, professional appearance by blending with popular composite decking manufacturers' color palettes, while its stainless steel construction provides dependable corrosion resistance - even in environments exposed to chlorides, moisture, and harsh outdoor conditions. Whether you are building a new deck or making repairs, this screw is purpose-built to simplify installation and produce a secure, polished result.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - delivers strong corrosion resistance for outdoor decking applications, especially in environments where chloride exposure is a concern, keeping fasteners from degrading over time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking efficiently without pre-drilling, saving installation time and reducing material damage.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess composite material during driving, resulting in a clean, flush installation without debris buildup around the fastener head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGray 01 color-matched painted Cap Head\u003c\/strong\u003e - blends with popular composite decking colors for a more concealed, professional finish that keeps the deck surface looking uniform.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - provides a secure bit engagement that reduces cam-out during driving, giving installers greater control and a cleaner countersink.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230 in. head diameter\u003c\/strong\u003e - sits low and neat against the decking surface, minimizing the visual footprint of the fastener for a refined appearance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length in #10 screw size\u003c\/strong\u003e - sized appropriately for composite deck board fastening, providing the penetration depth needed for a secure hold.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEngineered for composite and PVC decking\u003c\/strong\u003e - the combination of the Type-17 point and inverted upper Tri-Lobe Threads means this screw is purpose-designed for these materials, rather than a general-purpose fastener adapted to the task. The result is a cleaner, more consistent installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSuited for chloride-rich environments\u003c\/strong\u003e - Type 305 Stainless Steel construction makes this screw a reliable choice for coastal or high-humidity outdoor settings where standard fasteners may corrode prematurely.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-matched head for a polished finish\u003c\/strong\u003e - the Gray 01 painted cap head is designed to complement popular composite decking products, reducing the visual impact of fasteners and delivering a more professional-looking deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEliminates the need to mix and match fasteners\u003c\/strong\u003e - as a dedicated composite deck screw from Simpson, this fastener is designed to handle all types of composite decking in a single product, streamlining the build process and reducing confusion on the job site.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Gray 01\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305GR01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305GR01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is designed for all types of composite and PVC decking. Its Type-17 point and inverted upper Tri-Lobe Threads are specifically engineered to penetrate composite materials cleanly and clear excess material during installation for a secure, flush result.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 Stainless Steel used for this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 Stainless Steel provides corrosion resistance suited to outdoor decking environments, including applications in areas with chloride exposure such as coastal or high-humidity locations. This material helps ensure the fastener maintains its integrity over time in demanding conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is available separately.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow does the Gray 01 color-matched head benefit the finished deck?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Gray 01 painted cap head is designed to blend with popular composite decking manufacturers' colors, resulting in a more concealed fastener appearance. This creates a cleaner, more professional-looking deck surface where the screws do not stand out visually against the decking boards.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe replacement driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching DCU Screw Plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459594470,"sku":"DCU234P305GR01","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226555622,"sku":"DCU234MB305GR01","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316GR01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Gray01_C0_3c4036fb-6646-40c7-a237-2926e9eda8b3.jpg?v=1741659296"},{"product_id":"simpson-strong-tie-dcu234p305tn-10-x-2-3-4-305ss-hand-drive-deck-screw-tan-350ct","title":"Simpson #10 x 2-3\/4\" Tan, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Tan, #10 x 2-3\/4\", Type 305 Stainless Steel\u003c\/strong\u003e is engineered for secure, clean fastening in all types of composite and PVC decking applications. Built from Type 305 stainless steel, this cap-head screw delivers exceptional corrosion resistance - making it especially well-suited for coastal and high-chloride environments where standard fasteners would fail prematurely. The color-matching tan painted head blends seamlessly with popular composite deck board manufacturers, resulting in a concealed, professional finish that elevates the final appearance of any deck project.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - provides superior corrosion resistance in outdoor decking environments, particularly in areas exposed to chlorides such as pool decks and coastal installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite decking cleanly without pre-drilling, saving installation time and reducing labor effort\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe Thread design)\u003c\/strong\u003e - clear excess decking material during installation, producing a flush, clean finish without surface debris or raised edges\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides consistent bearing surface for a secure hold while keeping the fastener low-profile against the deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - reduces cam-out during driving, giving installers greater control and a more efficient fastening experience\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan color-matching painted head\u003c\/strong\u003e - blends with popular composite decking brands for a more concealed, professional-looking installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to achieve proper penetration depth through composite deck boards into the substructure below\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - this screw is engineered as a dedicated composite deck fastener, eliminating the need to mix and match different screw types across a single project\u003c\/li\u003e\n \u003cli\u003eSuited for chloride-heavy environments - the Type 305 stainless steel construction makes this an appropriate choice for pool surrounds, waterfront decks, and other settings where salt air or chemical exposure accelerates corrosion in lesser materials\u003c\/li\u003e\n \u003cli\u003eClean installation without extra cleanup - the inverted upper threads actively clear excess composite material from the hole as the screw drives, reducing finishing work and delivering a tighter, cleaner seat\u003c\/li\u003e\n \u003cli\u003eColor-coordinated finish for a polished result - the tan painted cap head is matched to popular composite decking product lines, making it easy to achieve a consistent, finished look without visible hardware distracting from the deck surface\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305TN:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305TN:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eIs this screw compatible with PVC decking as well as composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Deck-Drive DCU Composite Screw is designed to work with all types of composite and PVC decking materials. The Type-17 point and Tri-Lobe thread design are engineered to penetrate and seat cleanly in both material types.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 stainless steel recommended for composite deck fasteners?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides strong corrosion resistance for outdoor decking environments, and is especially suited for applications where chlorides are present - such as coastal areas, poolside decks, and humid climates. This makes it a more durable long-term choice compared to standard coated fasteners in these conditions.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat does the T20 6-Lobe drive require, and what replacement bit can I use?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe T20 6-Lobe drive is designed to reduce cam-out and provide better torque transfer during installation. A compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is matched to this drive type for consistent performance.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan I find color-matching plug solutions to cover the screw heads after installation?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. Color-matching DCU Screw Plugs are available that pair with these Deck-Drive screws for a fully concealed fastening result. See the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e for compatible plug options.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching screw plugs for a concealed finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591460053222,"sku":"DCU234P305TN","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226784998,"sku":"DCU234MB305TN","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN_ProdIll_Ill_Prod_Stainless-Composite-Screw-Painted-Head-Tan_C0.jpg?v=1741659295"},{"product_id":"simpson-strong-tie-dcu234p316rd-10-x-2-3-4-316ss-hand-drive-deck-screw-red-350ct","title":"Simpson #10 x 2-3\/4\" Red, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", finished in Type 316 Stainless Steel with a Red painted cap head\u003c\/strong\u003e, is purpose-built for fastening composite and PVC decking in demanding outdoor environments. Engineered by Simpson for severe-level corrosion resistance, this deck screw is especially suited for installations near saltwater, pools, or other chloride-rich settings where standard fasteners fail prematurely. The color-matching red painted head blends with popular composite decking brands, delivering a clean, professional appearance that conceals the fastener for a finished look installers and homeowners expect.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel finish\u003c\/strong\u003e - provides severe-level corrosion resistance, standing up to chlorides, saltwater exposure, and harsh coastal or poolside environments where lesser alloys corrode quickly.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing board splitting risk.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe threads\u003c\/strong\u003e - clear excess material as the screw drives, preventing mushrooming at the surface and ensuring a flush, secure installation every time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230 in. head diameter\u003c\/strong\u003e - sits flush against the decking surface for a low-profile, snag-free finish that looks intentional rather than industrial.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides positive bit engagement, reducing cam-out during driving and keeping the installation fast and frustration-free.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRed color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' colors so fasteners disappear into the deck surface for a more concealed, polished result.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to achieve proper penetration depth through composite decking boards into the framing below for a strong, lasting hold.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite and PVC decking requires a screw designed specifically for the material - the DCU's Type-17 point and Tri-Lobe threads are engineered to penetrate without cracking boards or leaving raised material around the head, problems common when standard wood screws are used on composite.\u003c\/li\u003e\n \u003cli\u003eFor decks near the ocean, on docks, or around pools, standard stainless steel is often not enough - Type 316 Stainless Steel is selected specifically for its resistance to chloride-driven corrosion, making this screw the right choice for severe coastal and poolside applications.\u003c\/li\u003e\n \u003cli\u003eThe red painted cap head is designed to match popular composite decking colors, eliminating the visible contrast of a bare metal fastener head and giving the finished deck a more professional, intentional appearance.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive system reduces bit slippage during installation, which means fewer stripped heads, less wasted material, and a cleaner result across an entire deck project.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316RD:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316RD:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316RD:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite decking fastening - all types of composite decking boards\u003c\/li\u003e\n \u003cli\u003ePVC decking installation\u003c\/li\u003e\n \u003cli\u003eCoastal and marine-adjacent deck projects where chloride exposure is a concern\u003c\/li\u003e\n \u003cli\u003ePool deck installations and other high-moisture, high-chloride outdoor environments\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 Stainless Steel specified for this screw instead of standard stainless?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 Stainless Steel is chosen specifically because it provides severe-level corrosion resistance, particularly against chlorides. This makes it well-suited for applications near saltwater, swimming pools, or other environments where chloride exposure would cause standard fasteners to corrode and fail over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo these screws require pre-drilling into composite or PVC decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The Type-17 Point is designed to penetrate composite and PVC decking directly without the need for pre-drilling, simplifying installation and reducing the number of steps required to complete the job.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is recommended for the DCU Composite Screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe DCU Composite Screw uses a T20 6-Lobe drive. The compatible replacement driver bit is listed in the Related Products section below. Using the correct bit ensures positive engagement and minimizes cam-out during driving.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow do the inverted upper Tri-Lobe threads improve installation quality?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered to clear excess composite material as the screw is driven into the board. This prevents the material from mushrooming or bulging around the screw head, resulting in a clean, flush surface without the need for additional finishing steps.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit for use with the DCU Composite Screw\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs compatible with the DCU Composite Screw\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460315366,"sku":"DCU234C316RD","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226948838,"sku":"DCU234P316RD","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226981606,"sku":"DCU234MB316RD","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316RD_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Red_C0_3b9c0605-c487-40bc-bba0-b27af874bc86.jpg?v=1741659293"},{"product_id":"simpson-strong-tie-dcu234p305tn03-10-x-2-3-4-305ss-hand-drive-deck-screw-tan03-350ct","title":"Simpson #10 x 2-3\/4\" Tan 03, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 305 Stainless Steel finish and Tan 03 color\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional appearance and long-term corrosion resistance are essential. Built by Simpson Strong-Tie, this cap-head fastener combines a Type-17 point for smooth penetration, inverted upper threads that clear excess material during installation, and a color-matched painted head that blends seamlessly with popular composite decking products - making it a reliable choice for residential and commercial deck construction in demanding outdoor environments, including those exposed to chlorides and moisture.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - delivers superior corrosion resistance, making this screw especially well-suited for coastal environments, poolside decks, and other applications where chloride exposure is a concern.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, reducing installation time and minimizing surface damage around the fastener.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess material during driving, ensuring a flush, secure seat with a clean finished appearance on the deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile, refined look that sits evenly at the decking surface for a professional finish without excessive countersinking.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers strong torque transfer and reduces cam-out during installation, improving consistency and control for the installer.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 03 color-matched painted head\u003c\/strong\u003e - blends with popular composite decking manufacturer profiles so fasteners are less visible, producing a more concealed, polished deck appearance.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length in #10 screw size\u003c\/strong\u003e - provides adequate thread engagement through composite decking boards into the substructure for a solid, lasting hold.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - unlike general-purpose screws, the DCU's Type-17 point and inverted Tri-Lobe Threads are engineered to work with composite material properties, preventing the mushrooming and surface damage that can occur with standard fasteners.\u003c\/li\u003e\n \u003cli\u003eType 305 Stainless Steel construction provides corrosion resistance that holds up in chloride-rich environments - ideal for projects near the ocean, salt-air regions, or around pools where standard steel fasteners would corrode prematurely.\u003c\/li\u003e\n \u003cli\u003eColor-matched Tan 03 painted heads blend with popular decking brands - so you do not need to conceal fasteners with plugs or covers to achieve a clean, finished deck surface.\u003c\/li\u003e\n \u003cli\u003eCompatible with color-matching DCU Screw Plugs and a dedicated driver bit - allowing a fully coordinated installation system that simplifies sourcing and keeps the finished deck looking consistent.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 03\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305TN03:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305TN03:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe DCU is engineered for all types of composite and PVC decking. Its Type-17 point and inverted Tri-Lobe Threads are specifically designed to penetrate composite material cleanly and clear excess material during installation, making it the appropriate fastener choice for composite deck board applications rather than natural wood decking.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 Stainless Steel used for this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 Stainless Steel provides corrosion resistance that is especially suited for environments with chloride exposure - such as coastal or poolside installations. This material choice helps the screw maintain its structural integrity and appearance over time in conditions where standard steel fasteners would corrode or stain surrounding decking material.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with the T20 6-Lobe drive on this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The recommended replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is sold separately and designed for use with Deck-Drive DCU screws for consistent, accurate driving performance.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo the painted heads on this screw match specific composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Tan 03 color-matched painted heads are designed to blend with popular composite decking manufacturers' profiles for a more concealed, professional-looking installation. You can reference the Composite-Decking Color Cross-Reference chart (available in the Downloads section below) to confirm which decking products align with the Tan 03 color. Compatible color-matching DCU Screw Plugs are also available for an even more finished result.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching screw plugs for a fully concealed deck surface\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459987686,"sku":"DCU234P305TN03","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226752230,"sku":"DCU234MB305TN03","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN03_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan03_C0_516f3ed1-2468-4e00-a3de-ffef1fc3d787.jpg?v=1741659292"},{"product_id":"simpson-strong-tie-dcu234p316br01-10-x-2-3-4-316ss-hand-drive-deck-screw-brown01-350ct","title":"Simpson #10 x 2-3\/4\" Brown 01, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 316 Stainless Steel finish and Brown 01 color\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where a clean, professional appearance and severe-level corrosion resistance are both required. Built by Simpson, this cap-head fastener combines a Type-17 penetrating point with inverted upper threads and a color-matched painted head, making it a complete solution for composite decking in demanding outdoor environments - including coastal, poolside, and other chloride-heavy settings.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, making this screw especially well-suited for environments with chlorides such as coastal or saltwater-adjacent installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, speeding up installation and reducing labor time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe Thread design)\u003c\/strong\u003e - clear excess material from the decking surface as the screw seats, ensuring a flush, clean finish without unsightly debris buildup\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile, secure bearing surface that sits flush against composite decking for a neat appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers positive bit engagement and reduced cam-out, giving installers better control and a more efficient drive experience\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrown 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' boards for a more concealed, professional-looking result\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide the fastener depth needed for secure composite decking attachment\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - the Type-17 point and inverted upper threads work together to penetrate and seat cleanly into composite materials without cracking, mushrooming, or leaving surface debris\u003c\/li\u003e\n \u003cli\u003eType 316 stainless steel goes beyond standard corrosion protection - it delivers severe-level resistance to chlorides, making this the right fastener for decks near saltwater, pools, or other harsh chemical environments where standard steel or lower-grade stainless would degrade prematurely\u003c\/li\u003e\n \u003cli\u003eColor-matched Brown 01 painted heads eliminate the visual mismatch of bare metal fastener heads showing through composite boards - the result is a cleaner, more finished appearance that complements the decking surface\u003c\/li\u003e\n \u003cli\u003eA single fastener handles all composite and PVC decking types - no need to select or swap between different screw styles for different board brands, simplifying job-site inventory and installation workflow\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength (in.):\u003c\/strong\u003e 2 3\/4\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter (in.):\u003c\/strong\u003e 0.230\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Brown 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316BR01:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316BR01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316BR01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking materials is the DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered for all types of composite and PVC decking. Its Type-17 point is specifically designed to penetrate composite and PVC board surfaces cleanly, and the inverted upper threads clear excess material during installation to produce a flush, secure result.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 Stainless Steel used instead of a standard stainless or coated steel?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 Stainless Steel provides severe-level corrosion resistance and is especially suited for applications in environments with chlorides - such as coastal regions, areas near pools, or other settings where standard stainless or coated fasteners may be prone to rust or corrosion over time. This makes the DCU 316 the appropriate choice when long-term performance in a harsh environment is a priority.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does the Deck-Drive DCU Composite Screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive type. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is engineered to work with this fastener for proper engagement and reduced cam-out during installation.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eHow do the color-matched heads work with composite decking boards?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Brown 01 painted cap heads are designed to blend with popular composite decking manufacturers' board colors, creating a more concealed, professional-looking finish. This eliminates the visible contrast of bare metal heads against the decking surface. For a full color compatibility reference, see the Composite-Decking Color Cross-Reference chart in the Downloads section below. Compatible \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e options are also available for an even more finished appearance.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - compatible T20 6-Lobe driver bit for use with DCU Composite Screws\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - color-matching screw plugs for a concealed fastener finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460118758,"sku":"DCU234C316BR01","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226817766,"sku":"DCU234P316BR01","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226850534,"sku":"DCU234MB316BR01","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316BR01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Brown01_C0_0acfa89f-5a85-4d70-834a-3ece21396af5.jpg?v=1741659291"},{"product_id":"simpson-strong-tie-dcu234p316rd01-10-x-2-3-4-316ss-hand-drive-deck-screw-red01-350ct","title":"Simpson #10 x 2-3\/4\" Red 01, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with a Type 316 Stainless Steel finish\u003c\/strong\u003e is engineered for professional composite and PVC deck installations where long-term corrosion resistance and a clean, finished appearance are essential. Built by Simpson, this cap-head fastener combines severe-level corrosion protection with a color-matching Red 01 painted head, making it ideal for coastal environments, poolside decks, and any application exposed to chlorides or harsh outdoor conditions.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, performing reliably in saltwater environments, chloride-heavy atmospheres, and demanding outdoor conditions where standard stainless steel would fall short.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, reducing installation time and effort on the job site.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - clear excess material from the hole as the screw is driven, delivering a flush, secure seating and a professional clean finish every time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides a broad bearing surface that seats securely against composite decking without damaging the surface material.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - reduces cam-out during installation, giving the installer better torque control and a more secure bit engagement compared to standard Phillips drives.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRed 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' products for a concealed, professional appearance that eliminates the look of exposed fasteners.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length in #10 screw size\u003c\/strong\u003e - sized for solid penetration into composite deck boards and underlying framing, ensuring a structurally sound connection.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - the Type-17 point and inverted upper threads work together to prevent surface damage and material buildup that generic wood screws cause in composite applications.\u003c\/li\u003e\n \u003cli\u003eThe Type 316 stainless steel construction makes this screw the right choice for marine environments, pool decks, and coastal installations where chloride exposure would corrode lesser fasteners and compromise deck integrity over time.\u003c\/li\u003e\n \u003cli\u003eColor-matching painted heads in Red 01 eliminate the need for plug covers or touch-up paint, streamlining the finishing process and producing a cleaner result with fewer materials and steps.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive minimizes slipping and stripped heads during installation, reducing waste and rework - especially valuable on large deck projects where hundreds of fasteners are driven in sequence.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316RD01:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316RD01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316RD01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU is engineered for all types of composite and PVC decking. Its Type-17 point and inverted upper Tri-Lobe Threads are specifically designed to penetrate composite materials cleanly and clear excess debris for a flush, secure installation - making it a dedicated composite decking fastener rather than a general-purpose wood screw.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 Stainless Steel used instead of standard stainless steel for this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 Stainless Steel offers severe-level corrosion resistance and is especially suited for environments with chlorides, such as coastal areas, marine applications, and poolside decks. The added molybdenum content in 316 stainless provides greater protection against chloride-induced corrosion compared to standard 304 stainless, making it the right material choice for long-lasting outdoor deck installations in harsh conditions.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with the Deck-Drive DCU Composite Screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw uses a T20 6-Lobe drive. The recommended replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is engineered for use with these screws and helps maintain secure bit engagement throughout installation.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eHow does the Red 01 painted head contribute to the finished appearance of a composite deck?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Red 01 color-matching painted cap head is designed to blend with popular composite decking manufacturers' board colors, resulting in a more concealed and professional-looking installation. Instead of visible silver or contrasting fastener heads, the painted finish integrates with the deck surface for a cleaner aesthetic without requiring additional plug covers or cosmetic work.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460217062,"sku":"DCU234C316RD01","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753226883302,"sku":"DCU234P316RD01","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226916070,"sku":"DCU234MB316RD01","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316RD01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Red01_C0_fd52a441-2a2f-4ba3-a4df-68b1054124f4.jpg?v=1741659290"},{"product_id":"simpson-strong-tie-dcu234p305tn02-10-x-2-3-4-305ss-hand-drive-deck-screw-tan02-350ct","title":"Simpson #10 x 2-3\/4\" Tan 02, Deck-Drive DCU Composite Screw, 305 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Tan 02, Type 305 Stainless Steel\u003c\/strong\u003e is engineered for clean, professional fastening of composite and PVC deck boards in demanding outdoor environments. Built from Type 305 stainless steel, this screw delivers reliable corrosion resistance - including in coastal and chloride-rich settings where standard fasteners fall short. A color-matching painted cap head in Tan 02 blends discreetly with popular composite decking finishes, giving installations a polished, concealed look without sacrificing structural integrity.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 305 Stainless Steel material\u003c\/strong\u003e - resists corrosion in outdoor applications, especially environments with chloride exposure such as coastal or poolside decks\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, reducing installation time and effort\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - clear excess material as the screw drives, preventing surface buildup and ensuring a flush, secure finish\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - provides a low-profile, secure bearing surface that sits cleanly on composite decking without cracking or mushrooming\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - delivers higher torque transfer and reduced cam-out compared to standard Phillips drives, making installation faster and more controlled\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 02 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a more concealed, professional-looking deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide appropriate penetration depth through composite deck boards into structural framing\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - the Type-17 point and Tri-Lobe thread profile work together to drive cleanly into composite material without splitting, mushrooming, or leaving raised material around the head\u003c\/li\u003e\n \u003cli\u003eType 305 stainless steel construction makes this screw a dependable choice for decks near salt water, pools, or other chloride-heavy environments where corrosion is an accelerated concern\u003c\/li\u003e\n \u003cli\u003eThe Tan 02 color-matched painted head eliminates the eyesore of visible silver fasteners against tan composite boards, giving finished decks a cleaner, more professional appearance\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces cam-out and installer fatigue during long runs of decking, keeping each drive controlled and minimizing damage to the board surface\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 02\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P305TN02:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB305TN02:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for composite and PVC decking applications. The Type-17 point and Tri-Lobe thread profile are engineered specifically to penetrate composite decking cleanly, clear excess material, and leave a flush, secure installation without pre-drilling.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 305 Stainless Steel recommended for composite deck fasteners?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 305 stainless steel provides corrosion resistance suited for all types of composite and PVC decking installations. It is especially well-suited for environments with chlorides - such as coastal areas, pool surrounds, or regions with road salt exposure - where standard coated fasteners may corrode more quickly.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat is the T20 6-Lobe drive and why does it matter?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe T20 6-Lobe drive is a six-point torx-style drive system that allows higher torque transfer to the screw head during installation. This reduces cam-out - where the driver slips out of the head - compared to standard Phillips-style drives, making installation more controlled and protecting the composite deck board surface from scuffing or gouging.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat color replacement plug or bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is compatible with color-matching DCU Screw Plugs for concealed installations. The recommended replacement driver bit is the T20 6-Lobe bit. See the Related Products section below for compatible accessories available for this screw.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible replacement T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU Screw Plugs for a concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"350 Pk","offer_id":45591459922150,"sku":"DCU234P305TN02","price":147.15,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753226719462,"sku":"DCU234MB305TN02","price":486.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN02_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan02_C0_543f3d33-7139-4db7-b7ea-13d11081a295.jpg?v=1741659289"},{"product_id":"simpson-strong-tie-dcu234rd01r70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-red-01","title":"Simpson #10 x 2-3\/4\" Red 01, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Red 01\u003c\/strong\u003e is a purpose-built fastener from Simpson designed for secure, attractive installation of composite and PVC deck boards. Featuring a Quik Guard coating for medium-corrosion resistance, a Type-17 point for clean penetration through composite materials, and a color-matched painted cap head in Red 01, this #10 x 2-3\/4\" screw delivers a concealed, professional finish that blends with popular composite decking brands. Whether you're building a new deck or replacing boards, this composite decking screw is engineered to drive cleanly, hold securely, and look great doing it.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making this screw suitable for outdoor composite deck installations exposed to moisture and weather.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-piercing tip penetrates composite and PVC decking without pre-drilling, speeding up installation and reducing prep work.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads (Tri-Lobe Thread Design)\u003c\/strong\u003e - clears excess material from the installation zone as the screw drives in, ensuring a flush, clean seat and a secure hold in composite deck boards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - reduces cam-out during driving for better bit engagement, more consistent torque transfer, and a cleaner finish at the screw head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" Diameter\u003c\/strong\u003e - low-profile head sits flush or just below the deck surface, minimizing snag points and contributing to a tidy, professional deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRed 01 Color-Matching Painted Head\u003c\/strong\u003e - blends with composite decking from popular manufacturers, creating a more concealed fastening result compared to standard silver or gray screws.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" Length \/ #10 Screw Size\u003c\/strong\u003e - sized to achieve proper embedment depth in composite deck boards while engaging the substructure beneath for a firm, long-lasting connection.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite decking requires a fastener engineered specifically for the material - the Type-17 point and Tri-Lobe threads work together to drive cleanly into composite and PVC boards without mushrooming the surface or leaving raised edges around the head.\u003c\/li\u003e\n \u003cli\u003eThe Red 01 color-matched painted cap head blends with the deck surface instead of standing out, giving finished decks a more polished, contractor-quality appearance that homeowners notice.\u003c\/li\u003e\n \u003cli\u003eQuik Guard coating is designed to resist medium levels of corrosion, making these screws a reliable choice for outdoor decking environments where moisture and UV exposure are ongoing concerns.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive system reduces cam-out and stripped heads compared to standard Phillips drives, keeping installation moving efficiently and reducing wasted fasteners on the job.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RD01R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RD01R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RD01MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking material is the Deck-Drive DCU Composite Screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for use with all types of composite or PVC decking. The Type-17 self-piercing point and Tri-Lobe thread design are specifically engineered to penetrate and fasten composite deck boards cleanly without requiring pre-drilling in most applications.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhy does the Deck-Drive DCU have inverted upper threads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are engineered to clear excess composite material that is displaced as the screw drives in. This clearing action ensures the screw seats flush and cleanly, preventing raised edges or puckering around the fastener head - resulting in a smoother, more professional deck surface.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eWhat bit do I need to drive the Deck-Drive DCU Composite Screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the recommended bit. Using the correct bit reduces cam-out and extends bit life during high-volume deck installations.\u003c\/dd\u003e\n\n \u003cdt\u003e\u003cstrong\u003eCan the Red 01 color be matched with composite decking plug covers?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. Color-matching DCU Screw Plugs are available to complement the Red 01 painted heads, allowing for an even more concealed installation appearance. See the Related Products and Downloads sections below for the Deck-Drive Screw Plug Solution and the Composite-Decking Color Cross-Reference chart to confirm color compatibility with your specific decking product.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - compatible T20 6-Lobe driver bit for the Deck-Drive DCU Composite Screw\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - color-matching screw plugs compatible with the DCU Composite Screw\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460610278,"sku":"DCU234RD01R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753227145446,"sku":"DCU234RD01R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753227178214,"sku":"DCU234RD01MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234RD01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Red01_C0.jpg?v=1741659288"},{"product_id":"simpson-strong-tie-dcu234p316tn-10-x-2-3-4-316ss-hand-drive-deck-screw-tan-350ct","title":"Simpson #10 x 2-3\/4\" Tan, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Tan, #10 x 2-3\/4\", Type 316 Stainless Steel\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where long-term durability and a clean, professional appearance are non-negotiable. Built from Type 316 stainless steel, this fastener delivers severe-level corrosion resistance - making it the right choice for coastal environments, poolside decks, and any outdoor application where chlorides or harsh moisture are a concern. The color-matched tan painted cap head blends seamlessly with popular composite decking products, so the finished surface looks polished and intentional rather than cluttered with visible hardware.\u003c\/p\u003e\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel construction\u003c\/strong\u003e - provides severe-level corrosion resistance in chloride-rich and saltwater environments, outlasting standard stainless options in coastal and high-humidity applications\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe Threads\u003c\/strong\u003e - clear excess composite material from the hole during driving, ensuring a clean, flush, and secure installation with no buildup around the head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" head diameter\u003c\/strong\u003e - seats consistently flush with the deck surface for a smooth, snag-free finish\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - offers positive bit engagement and reduces cam-out, giving installers greater control and reducing driver wear on long production runs\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturer colors for a more concealed, professional-looking deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" length at #10 screw size\u003c\/strong\u003e - sized for reliable fastening depth in standard composite and PVC deck boards over typical substructure dimensions\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eThe Type 316 stainless steel composition makes this screw specifically suited for environments exposed to chlorides - such as beachfront properties, pool decks, and marine-adjacent structures - where standard carbon steel or even Type 304 stainless fasteners may corrode prematurely\u003c\/li\u003e\n \u003cli\u003eThe engineered combination of a Type-17 point and inverted Tri-Lobe threads eliminates the need to pre-drill composite boards, cutting installation steps and helping achieve a cleaner surface result without extra labor\u003c\/li\u003e\n \u003cli\u003eThe tan painted cap head is designed to match popular composite and PVC decking products from major manufacturers, letting installers achieve a cohesive, finished deck appearance without visible fastener contrast\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces cam-out during high-volume installations, keeping the job moving efficiently and protecting both the driver bit and the deck board surface from unnecessary damage\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316TN:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316TN:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316TN:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite decking installation - all types of composite deck boards\u003c\/li\u003e\n \u003cli\u003ePVC decking installation - solid and hollow-profile PVC boards\u003c\/li\u003e\n \u003cli\u003eCoastal and marine-adjacent outdoor structures where chloride exposure is a concern\u003c\/li\u003e\n \u003cli\u003ePool deck surrounds and other environments with high moisture or chemical exposure\u003c\/li\u003e\n \u003cli\u003eAny outdoor deck project requiring severe-level corrosion resistance in the fastener\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes Type 316 stainless steel different from standard stainless steel for deck screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel contains molybdenum, which significantly boosts its resistance to chlorides and harsh chemicals compared to standard Type 304 stainless steel. This makes the Deck-Drive DCU Composite Screw particularly suited for coastal, poolside, and marine-adjacent environments where salt air or chemical exposure would degrade a lesser fastener over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite or PVC deck boards before driving this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The DCU Composite Screw features a Type-17 point that is designed to self-penetrate composite and PVC decking without pre-drilling. Combined with the inverted upper Tri-Lobe Threads that clear excess material during driving, this screw is engineered for direct installation into the board for a clean, secure result.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does this screw require?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive, which provides positive engagement and reduces cam-out. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWill the tan head color match my composite decking brand?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe tan painted cap head is designed to blend with popular composite decking manufacturers' products. For a detailed cross-reference of which decking colors and brands correspond to each DCU screw color, refer to the Composite-Decking Color Cross-Reference chart available in the Downloads section below.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe replacement driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching DCU screw plugs for a concealed finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460511974,"sku":"DCU234C316TN","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753227079910,"sku":"DCU234P316TN","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753227112678,"sku":"DCU234MB316TN","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN_ProdIll_Ill_Prod_Stainless-Composite-Screw-Painted-Head-Tan_C0_b506026d-913f-47d1-a509-773298f708c2.jpg?v=1741659287"},{"product_id":"simpson-strong-tie-dcu234rdr70-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-red","title":"Simpson #10 x 2-3\/4\" Red, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Red\u003c\/strong\u003e by Simpson Strong-Tie is purpose-built for securing composite and PVC deck boards with a clean, professional result. Featuring a Quik Guard coating for medium-level corrosion resistance, this carbon-steel fastener is engineered to penetrate composite decking cleanly and seat flush, leaving a finished surface that looks intentional rather than industrial. The color-matching red painted cap head blends with popular composite decking manufacturers' products, so every fastener disappears into the deck rather than drawing the eye. Whether you are building a new deck or replacing boards on an existing structure, this screw is designed to make composite decking installation faster, cleaner, and more reliable.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance suited for outdoor composite and PVC decking environments, extending the service life of the fastener without overengineering for the application.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-drilling tip penetrates composite and PVC decking material without pre-drilling, saving installation time and reducing split risk in deck boards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads (Tri-Lobe Thread Design)\u003c\/strong\u003e - clears excess composite material from the hole during driving, ensuring a clean, flush seating with no surface mushrooming or lifted fibers around the fastener head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. Head Diameter\u003c\/strong\u003e - low-profile cap head seats securely against the decking surface, distributing load evenly while remaining visually discreet.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - provides superior bit engagement and torque transfer compared to standard Phillips or square drives, reducing cam-out and stripped heads during installation.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRed Color-Matching Painted Head\u003c\/strong\u003e - blends with popular composite decking products in matching colors, delivering a more concealed and professional finished appearance on the deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. Length, #10 Screw Size\u003c\/strong\u003e - sized for solid penetration and holding strength in composite deck board applications without over-penetrating the substructure.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite deck boards require a fastener that won't tear, mushroom, or surface-crack the material on entry - the Type-17 point and Tri-Lobe thread design of this screw address both concerns in a single pass, eliminating the need for pre-drilling or secondary cleanup.\u003c\/li\u003e\n \u003cli\u003eThe red painted cap head is engineered to match popular composite decking colors, so installers do not need to source a separate plug, cap, or cover to achieve a clean, finished look - the screw head itself becomes part of the visual result.\u003c\/li\u003e\n \u003cli\u003eThe Quik Guard coating delivers targeted corrosion resistance appropriate for composite and PVC deck board installations, protecting the fastener in outdoor exposure conditions without requiring a premium stainless or hot-dip galvanized product for this application.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive reduces cam-out during high-volume deck installations, meaning fewer stripped heads, less wasted product, and a more consistent driving experience from the first board to the last.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RDR70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RDR350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234RDMB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003cli\u003ePVC Decking Fastening\u003c\/li\u003e\n \u003cli\u003eComposite Deck Board Installation\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite decking before driving this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The Type-17 point is a self-drilling design that penetrates composite and PVC decking material without requiring a pilot hole, streamlining installation and reducing the total number of steps per board.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy does the Tri-Lobe thread design matter for composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eComposite decking material is denser and more prone to surface deformation than traditional wood. The inverted upper Tri-Lobe threads are engineered to clear displaced composite material out of the hole as the screw is driven, preventing the surface mushrooming or raised edges that can occur with standard thread profiles. The result is a flush, clean fastener seat.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat level of corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Quik Guard coating is designed to resist medium levels of corrosion, making it appropriate for composite and PVC deck board applications in typical outdoor exposure conditions. It is not a heavy-duty or marine-grade coating, but is correctly matched to the corrosion demands of composite decking installations.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, available separately.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \n \u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution - Color-Matching Screw Plugs\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460708582,"sku":"DCU234RDR70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753227210982,"sku":"DCU234RDR350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753227243750,"sku":"DCU234RDMB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234RD_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Red_C0.jpg?v=1741659286"},{"product_id":"simpson-strong-tie-dcu234p316tn01-10-x-2-3-4-316ss-hand-drive-deck-screw-tan01-350ct","title":"Simpson #10 x 2-3\/4\" Tan 01, Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 316 Stainless Steel finish and Tan 01 color-matched head\u003c\/strong\u003e is purpose-built for fastening composite and PVC decking in demanding outdoor environments. Engineered by Simpson for coastal, marine, and chloride-exposed applications, this cap-head screw combines severe-level corrosion resistance with a clean, professional finish that blends with popular composite decking brands. Whether you are working on a seaside deck, a lakefront boardwalk, or any high-moisture outdoor surface, this screw delivers the holding strength, installation ease, and long-term durability that composite decking projects require.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance, making it especially suited for marine, coastal, and salt-air environments where inferior fasteners would corrode and fail prematurely.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing surface damage during fastening.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe Thread design)\u003c\/strong\u003e - clears excess composite material as the screw drives, ensuring a clean, flush, secure installation with no material buildup around the head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides positive bit engagement and reduces cam-out during installation, giving installers better torque control and a cleaner finish.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap head style with 0.230 in. head diameter\u003c\/strong\u003e - sits flush against decking surfaces for a neat, professional appearance that does not snag foot traffic or create tripping hazards.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 01 color-matched painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' colors for a more concealed, finished look that enhances curb appeal.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4 in. length\u003c\/strong\u003e - sized to provide adequate penetration and holding strength for standard composite deck board installations over treated framing.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking, this screw eliminates the need to mix and match fasteners - one screw handles all major composite decking brands without compromising holding performance or surface appearance.\u003c\/li\u003e\n \u003cli\u003eThe Type 316 stainless steel construction is the right choice for projects near the ocean, on docks, or in environments with salt air and chlorides, where standard stainless or coated fasteners may not provide adequate long-term protection.\u003c\/li\u003e\n \u003cli\u003eThe Tri-Lobe thread geometry and inverted upper threads work together to clear material and resist backing out, resulting in a cleaner countersink and a more secure, lasting installation in composite materials that can be prone to cracking or mushrooming around the screw head.\u003c\/li\u003e\n \u003cli\u003eColor-matched painted heads in Tan 01 provide a finished, professional appearance that complements popular decking products - reducing the visible contrast between fastener and board that can detract from a completed deck's appearance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2 3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316TN01:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316TN01:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316TN01:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eMarine environments\u003c\/li\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003cli\u003eCoastal \/ Salt Air environments\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat makes this screw suitable for coastal and marine applications?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is manufactured from Type 316 stainless steel, which provides severe-level corrosion resistance. It is specifically engineered for environments with chlorides, making it an appropriate choice for marine docks, coastal decks, and salt-air locations where other fastener materials would degrade over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDoes this screw require pre-drilling into composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point is designed to penetrate composite and PVC decking materials directly. The Tri-Lobe thread geometry with inverted upper threads also clears excess material during installation for a clean, secure countersink without pre-boring.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is sold separately and recommended for best installation results.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan the Tan 01 color head be matched with composite decking plug covers?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. This screw is compatible with color-matching DCU Screw Plugs. See the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e for plug options that cover the screw head for an even more concealed and finished appearance on your composite deck surface.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching screw plug covers for DCU composite screws\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591460413670,"sku":"DCU234C316TN01","price":51.36,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753227014374,"sku":"DCU234P316TN01","price":182.37,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753227047142,"sku":"DCU234MB316TN01","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P316TN01_ProdPho_Pho_Prod_Stainless-Composite-Screw-Painted-Head-Tan01_C0_a2dc384c-9a2c-4329-92d1-1039d23f69bd.jpg?v=1741659285"},{"product_id":"quikdrive-dcu234sbr01-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw #10 x 2-3\/4 in. Collated Quik Guard Brown 01 T20 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234SBR01 Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Brown 01 (1000-Qty)\u003c\/strong\u003e is a Simpson Strong-Tie engineered fastening solution designed specifically for composite or PVC decking applications. The Deck-Drive DCU delivers beautiful fastening results for all types of composite decking while offering greater ease of installation, a clean finish, and superb corrosion resistance  -  eliminating the need to mix and match screws to the decking they are suited for.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eAvailable with color-matching painted heads to blend with popular decking manufacturers and to provide a more concealed finish\u003c\/li\u003e\n\u003cli\u003eCurved collation type for use with compatible auto-feed screw driving systems\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234SBR01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Brown 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Qty.:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered for use with composite or PVC decking. It is the go-to screw for all composite decking applications, eliminating the need to mix and match screws to the decking they are suited for. It is also an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures, making it suitable for use in pressure-treated lumber as well as composite decking installations.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is required to install the DCU234SBR01 collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese curved-collated screws install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment. A T20 6-lobe driver bit is included with the package (replacement bit model BITTX20-PL-RC3).\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the cap head design benefit the finished appearance of a composite deck?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe cap head prevents mushrooming and material from rising up above the deck surface, resulting in a smoother, clean-looking installation. Additionally, the Brown 01 color-matching painted head blends with popular decking manufacturers to provide a more concealed finish.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338761044129,"sku":"DCU234SBR01","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234BR01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Brown01_C0.jpg?v=1741659284"},{"product_id":"quikdrive-dcu234srd01-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw #10 x 2-3\/4 in. Collated Quik Guard Red 01 T20 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234SRD01 Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Red 01 (1000-Qty)\u003c\/strong\u003e is a Simpson Strong-Tie engineered collated composite deck screw designed for all types of composite and PVC decking applications. Built with a tri-lobe thread design, Type-17 point, and a color-matched Red 01 cap head, this screw delivers a clean, professional finish with superior corrosion resistance  -  making it the single go-to fastener for composite decking without the need to mix and match screws.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Red 01  -  color-matching painted head blends with popular decking manufacturers for a more concealed finish\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234SRD01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Red 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered specifically for composite and PVC decking applications. It is designed to work across all types of composite decking, eliminating the need to mix and match screws to the decking they are suited for. It is also an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat makes the Quik Guard coating significant for this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating is suitable for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures, offering robust protection in outdoor decking environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is recommended for installing these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese collated screws are designed to install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment. A T20 6-lobe driver bit is included in the package, with replacement bit model BITTX20-PL-RC3 available separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the cap head design benefit the finished deck appearance?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe cap head prevents mushrooming and material from rising up above the deck surface, resulting in a smoother, clean-looking installation. Additionally, the Red 01 color-matching painted head is designed to blend with popular decking manufacturers, providing a more concealed and aesthetically consistent finish.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338763206817,"sku":"DCU234SRD01","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234RD01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Red01_C0_c2bb187f-c43f-41b2-bd46-e64b8d6a89b9.jpg?v=1741659283"},{"product_id":"quikdrive-dcu234stn02-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw #10 x 2-3\/4 in. Tan 02 Quik Guard Collated 1000-Pk DCU234STN02","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234STN02 Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Tan 02 (1000-Qty)\u003c\/strong\u003e is engineered by Simpson Strong-Tie for composite or PVC decking applications. Designed to deliver beautiful fastening results across all types of composite decking, this collated screw offers greater ease of installation, a clean finished appearance, and superb corrosion resistance  -  making it the go-to screw for composite decking without the need to mix and match fasteners. Available with a color-matching painted Tan 02 head to blend with popular decking manufacturers for a more concealed finish.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Tan 02\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234STN02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Tan 02\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered specifically for composite or PVC decking applications. It is the go-to screw for all composite decking applications, eliminating the need to mix and match screws to the decking they are suited for.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs the DCU234STN02 approved for use with Trex composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The Deck-Drive DCU Composite Screw is an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating is suitable for use in pressure-treated lumber and provides a level of corrosion resistance equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is recommended for installing these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese screws install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment. A T20 6-lobe driver bit is also included in the package, with replacement bit model BITTX20-PL-RC3 available separately.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338765041825,"sku":"DCU234STN02","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN02_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan02_C0.jpg?v=1741659282"},{"product_id":"quikdrive-dcu234stn01-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Collated Composite Screw #10 x 2-3\/4 in. Tan 01 Quik Guard T20 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234STN01 Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Tan 01 (1000-Qty)\u003c\/strong\u003e by Simpson Strong-Tie is engineered specifically for composite and PVC decking applications, delivering beautiful fastening results with a clean, concealed finish and superb corrosion resistance. With its color-matching Tan 01 painted cap head, this collated screw blends seamlessly with popular composite decking surfaces while eliminating the need to mix and match fasteners across different decking types.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Tan 01  -  color-matching painted heads blend with popular decking manufacturers for a more concealed finish\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003cli\u003eCurved collation type for compatibility with auto-feed screw driving systems\u003c\/li\u003e\n\u003cli\u003eInstalls with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234STN01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Tan 01\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003cli\u003eComposite or PVC decking installations\u003c\/li\u003e\n\u003cli\u003eTrex composite decking (Trex-approved fastener)\u003c\/li\u003e\n\u003cli\u003ePressure-treated lumber applications (with Quik Guard coating)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated Deck-Drive DCU Composite screws  -  #10 x 2-3\/4 in., Tan 01\u003c\/li\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite screw is engineered specifically for composite or PVC decking. It is the go-to screw for all composite decking applications, eliminating the need to mix and match screws to the decking they are suited for. It is also an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures, making it suitable for use in pressure-treated lumber as well as composite decking applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is required to install these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese curved-collated screws install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment. A T20 6-lobe driver bit is included in the package, with the replacement bit model BITTX20-PL-RC3 available separately.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the cap head design benefit the finished deck appearance?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe cap head prevents mushrooming and material from rising up above the deck surface, resulting in a smoother, clean-looking installation. Additionally, the Tan 01 color-matching painted head is designed to blend with popular decking manufacturers, providing a more concealed and aesthetically consistent finish.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338765238433,"sku":"DCU234STN01","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan01_C0.jpg?v=1741659281"},{"product_id":"quikdrive-dcu234stn-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw Collated #10 x 2-3\/4 in. Tan Quik Guard Cap Head T20 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234STN Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Tan (1000-Qty)\u003c\/strong\u003e is a precision-engineered fastener from Simpson Strong-Tie designed specifically for composite and PVC decking applications. Featuring an advanced tri-lobe thread design, a Type-17 point, and a Quik Guard-coated tan cap head, this collated screw delivers beautiful, consistent fastening results with superior corrosion resistance  -  making it the go-to solution for all types of composite decking installations without the need to mix and match screws.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Tan  -  available with color-matching painted heads to blend with popular decking manufacturers for a more concealed finish\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003cli\u003eInstalls with the Quik Drive PRO300SG2 auto-feed screw driving system and attachment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234STN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Tan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Quik Drive PRO300SG2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking are these screws designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite screw is engineered for composite and PVC decking applications. It is the go-to screw for all composite decking applications, eliminating the need to mix and match screws to the decking they are suited for.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these screws approved for use with Trex composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The Deck-Drive DCU is an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating is suitable for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan these collated screws be used with an auto-feed screw driving system?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. These curved-collated screws install with the Quik Drive PRO300SG2 auto-feed screw driving system and attachment, enabling faster and more consistent installation across composite deck boards.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338767433889,"sku":"DCU234STN","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan_C0.jpg?v=1741659280"},{"product_id":"quikdrive-dcu234s305-10-x-2-3-4-305ss-collated-dcu-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw #10 x 2-3\/4 in. 305 Stainless Collated T20 Cap Head 1000-Pack","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw (Collated)  -  #10 x 2-3\/4 in., Type 305 Stainless Steel, 1000-Quantity\u003c\/strong\u003e is engineered to provide beautiful fastening results for all types of composite and PVC decking. Designed by Simpson Strong-Tie, this collated deck screw delivers greater ease of installation, a consistently clean finish, and superb corrosion resistance  -  making it the go-to screw for all composite decking applications and eliminating the need to mix and match screws to the decking they are suited for.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eAvailable with color-matching painted heads to blend with popular decking manufacturers and to provide a more concealed finish\u003c\/li\u003e\n\u003cli\u003eInstalls with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eMade from Type 305 stainless steel for long-lasting durability\u003c\/li\u003e\n\u003cli\u003eCurved collation type for compatibility with auto-feed systems\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel No.:\u003c\/strong\u003e DCU234S305\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 305 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1,000 collated DCU234S305 composite deck screws\u003c\/li\u003e\n\u003cli\u003eT20 6-lobe driver bit (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking are these screws designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite screw is engineered for all types of composite and PVC decking. It is also an approved fastener by Trex for use with Trex composite decking, making it a versatile, go-to screw for composite decking applications without the need to mix and match fasteners.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhy is the tri-lobe thread design beneficial for composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe tri-lobe thread design specifically reduces damage to the composite board during driving. Additionally, inverted upper threads clear excess material to ensure the screw is seated properly and consistently every time, resulting in a cleaner and more professional finish.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is recommended for installing these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese curved-collated screws install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment, enabling faster and more efficient installation across large deck projects.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eAre these screws corrosion resistant, and what material are they made from?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. These screws are made from Type 305 stainless steel, which provides superb corrosion resistance and long-lasting durability  -  an important consideration for outdoor decking applications exposed to moisture and the elements.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338768285857,"sku":"DCU234S305","price":448.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P305_ProdPho_Pho_Prod_Composite-Stainless-316-305-Angled_C0_24492b87-5682-4337-a3ee-56821987a3ee.jpg?v=1741659279"},{"product_id":"quikdrive-dcu234sgr-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson Deck-Drive DCU Composite Screw #10 x 2-3\/4 in. Collated Quik Guard Gray Cap Head T20 1000-Pk","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234SGR Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Gray (1000-Qty)\u003c\/strong\u003e is engineered by Simpson Strong-Tie to provide beautiful fastening results for all types of composite and PVC decking. Combining greater ease of installation, a clean finish, and superb corrosion resistance, the Deck-Drive DCU is the go-to screw for all composite decking applications  -  eliminating the need to mix and match screws to the decking they are suited for. Available with a color-matching painted gray head to blend with popular decking manufacturers and provide a more concealed finish, this 1,000-count collated pack is designed for high-volume professional installs.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Gray\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234SGR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Gray\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking are the Deck-Drive DCU Composite Screws designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered for all types of composite and PVC decking. It is also an approved fastener by Trex for use with Trex composite decking, making it a versatile, go-to choice across a wide range of composite decking applications.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating is suitable for use in pressure-treated lumber and provides a level of corrosion resistance equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures, ensuring long-lasting performance in demanding outdoor environments.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat tool is compatible with these collated screws?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThese curved-collated screws are designed to install with the Simpson Strong-Tie Quik Drive PRO300SG2 auto-feed screw driving system or attachment, allowing for fast, consistent, and efficient installation across large deck areas.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does the cap head design benefit the finished appearance of the deck?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe cap head design prevents mushrooming and stops material from rising up above the deck surface, resulting in a smoother, clean-looking installation. Combined with the gray color-matching painted head, the screw blends with popular decking manufacturers for a more concealed finish.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338769203361,"sku":"DCU234SGR","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234GR_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Gray_C0_23d6d631-f757-480e-89c2-0a00e35d17b7.jpg?v=1741659278"},{"product_id":"quikdrive-dcu234srd-10-x-2-3-4-collated-composite-deck-screw-1000ct","title":"Simpson DCU234SRD Deck-Drive DCU Composite Screw #10 x 2-3\/4 in Red Collated Quik Guard 1000-Pack","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson DCU234SRD Deck-Drive DCU COMPOSITE Screw (Collated)  -  #10 x 2-3\/4 in. Quik Guard Red (1000-Qty)\u003c\/strong\u003e by Simpson is engineered specifically for composite and PVC decking applications, delivering beautiful fastening results with greater ease of installation, a clean finish, and superb corrosion resistance. The color-matched red cap head blends seamlessly with popular decking manufacturers for a more concealed, professional-looking finish  -  making this the go-to screw for all composite decking applications without the need to mix and match fasteners.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTri-lobe thread design reduces damage to the composite board while driving\u003c\/li\u003e\n\u003cli\u003eInverted upper threads clear excess material to ensure the screw is seated properly and consistently\u003c\/li\u003e\n\u003cli\u003eType-17 point penetrates composite decking with ease for faster starts\u003c\/li\u003e\n\u003cli\u003eCap head prevents mushrooming and material from rising up above the deck for a smoother, clean-looking installation\u003c\/li\u003e\n\u003cli\u003eApproved fastener (by Trex) for Trex composite decking\u003c\/li\u003e\n\u003cli\u003eDrive type: T20 6-lobe (driver bit included)\u003c\/li\u003e\n\u003cli\u003eDimensions: #10 x 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003eQuik Guard coating for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures\u003c\/li\u003e\n\u003cli\u003eHead color: Red\u003c\/li\u003e\n\u003cli\u003eQuantity: 1,000 per package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DCU234SRD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Color:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollation Type:\u003c\/strong\u003e Curved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Tool:\u003c\/strong\u003e Quik Drive PRO300SG2 auto-feed screw driving system and attachment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging Quantity:\u003c\/strong\u003e 1,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDecks  -  Deck Boards Composite\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT20 6-lobe driver bit included (replacement bit model BITTX20-PL-RC3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat type of decking is the Deck-Drive DCU Composite Screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Deck-Drive DCU Composite Screw is designed for composite and PVC decking. It is engineered to provide beautiful fastening results for all types of composite decking while offering greater ease of installation, a clean finish, and superb corrosion resistance.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this screw approved for use with Trex composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The Deck-Drive DCU Composite Screw is an approved fastener by Trex for use with Trex composite decking.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe Quik Guard coating is suitable for use in pressure-treated lumber and provides a level of corrosion resistance that is equivalent to hot-dip galvanization (ASTM A153, Class D) in some exposures.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan this collated screw be used with an auto-feed driving system?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. This screw installs with the Quik Drive PRO300SG2 auto-feed screw driving system and attachment, and includes a T20 6-lobe driver bit in the package. The replacement bit model is BITTX20-PL-RC3.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite-Decking Color Cross-Reference chart\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35338770317473,"sku":"DCU234SRD","price":227.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234RD_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Red_C0_5d3072e0-8a02-46da-a892-4169f1ec16a7.jpg?v=1741659277"},{"product_id":"simpson-strong-tie-fsbit-fascia-counterbore-bit","title":"Simpson FSBIT Fascia Counterbore Bit Type 316 Stainless, 1\/4 in. Arbor, 0.25 in. Bore, Trex Approved","description":"\u003cdiv\u003e\n\u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie FSBIT Fascia Counterbore Bit\u003c\/strong\u003e is a precision-engineered drilling accessory from Simpson Strong-Tie, specially designed to securely fasten composite and PVC fascia while providing superior corrosion resistance. Constructed from Type 316 stainless steel, this counterbore bit bores a hole that, when the fascia screw is installed, allows the material to expand and contract as the environment changes  -  delivering a clean, professional installation that prevents head pullover, broken screws, warping, buckling, and oil-canning.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApproved for attachment of Trex Fascia Boards\u003c\/li\u003e\n\u003cli\u003eUse of the fascia counterbore bit is crucial to proper installation of the fascia board\u003c\/li\u003e\n\u003cli\u003eCreates pilot hole for clean installation\u003c\/li\u003e\n\u003cli\u003eBit countersinks so the head of the screw is flush with the material surface\u003c\/li\u003e\n\u003cli\u003e1\/4 in. arbor fits standard drill bits\u003c\/li\u003e\n\u003cli\u003eBore diameter: 0.25 in.\u003c\/li\u003e\n\u003cli\u003eCounterbore diameter: 0.41 in.\u003c\/li\u003e\n\u003cli\u003eType 316 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e FSBIT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArbor Size:\u003c\/strong\u003e 1\/4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 0.25 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCounterbore Diameter:\u003c\/strong\u003e 0.41 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComposite fascia board installations\u003c\/li\u003e\n\u003cli\u003ePVC fascia board installations\u003c\/li\u003e\n\u003cli\u003eApproved for attachment of Trex Fascia Boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhy is the FSBIT counterbore bit necessary for fascia board installation?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eUse of the fascia counterbore bit is crucial to proper installation of the fascia board. It bores a hole specifically sized to allow the fascia material to expand and contract as the environment changes, preventing issues such as head pullover, broken screws, warping, buckling, and oil-canning.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat drill is this bit compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe FSBIT features a 1\/4 in. arbor, which fits standard drill bits and is compatible with most standard drills.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the FSBIT work with Trex Fascia Boards?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The FSBIT Fascia Counterbore Bit is approved for attachment of Trex Fascia Boards, making it a reliable choice for installations involving this brand of composite fascia material.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat screws should be used with the FSBIT Fascia Counterbore Bit?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe FSBIT is designed to be used with Simpson Strong-Tie Fascia Board screws, which are sold separately. Together, the counterbore bit and fascia screw form the complete Simpson Strong-Tie Fascia-Fastening Solution.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003cp class=\"product-note\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Simpson Strong-Tie Fascia Board screws are sold separately and are required to complete the fascia-fastening system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"Default Title","offer_id":35339031281825,"sku":"FSBIT -1P","price":32.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/21oX4LDcTKL.jpg?v=1741659091"},{"product_id":"simpson-strong-tie-dcu234c316-10-x-2-3-4-hand-drive-composite-deck-screw-70ct-316ss","title":"Simpson #10 x 2-3\/4\" Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Type 316 Stainless Steel finish\u003c\/strong\u003e is a premium fastener engineered by Simpson for reliable, long-lasting performance in composite and PVC decking installations. Designed to deliver severe-level corrosion resistance, this screw is especially well-suited for coastal environments, poolside decks, and any application where exposure to chlorides, saltwater, or harsh weather conditions demands a fastener that won't fail over time. The Type 316 stainless steel construction goes beyond standard corrosion protection, making it a trusted choice for marine-adjacent and high-humidity outdoor settings where lesser materials would corrode prematurely.\u003c\/p\u003e\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel material\u003c\/strong\u003e - provides severe-level corrosion resistance ideal for chloride-heavy environments such as coastal, marine, and poolside decking applications\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, speeding up installation and reducing labor time\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper Tri-Lobe threads\u003c\/strong\u003e - clear excess material from the entry point as the screw drives in, resulting in a flush, clean, and secure finish with no raised crowning or surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - provides superior torque transfer compared to Phillips or square drives, reducing cam-out and driver bit wear for more consistent, controlled installations\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230 in. head diameter\u003c\/strong\u003e - sits flush against decking surfaces for a professional, low-profile appearance that resists snagging and wear underfoot\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e#10 x 2-3\/4\" size\u003c\/strong\u003e - engineered for the typical thickness range of composite and PVC decking boards, ensuring proper engagement and holding strength without over-penetrating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAvailable with color-matching painted heads\u003c\/strong\u003e - allows the fastener to blend with popular composite decking manufacturers' colors for a more concealed, professional finish\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003ePurpose-built for composite and PVC decking, this screw eliminates the need to mix and match different fasteners across a deck project - one screw handles all composite decking types, simplifying procurement and installation\u003c\/li\u003e\n \u003cli\u003eThe Type 316 stainless steel finish delivers severe-level corrosion protection that exceeds standard stainless grades, making it the right choice for environments where chlorides and salt air would degrade a typical fastener over time\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 point and inverted upper Tri-Lobe threads is specifically engineered to penetrate composite materials cleanly and clear debris as the screw seats, reducing the risk of surface damage or raised heads that are common with general-purpose screws\u003c\/li\u003e\n \u003cli\u003eColor-matching painted head options mean the same high-performance screw can be used on finished deck surfaces where a concealed, professional appearance matters - without compromising structural integrity or corrosion resistance\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e None\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234C316:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234P316:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234MB316:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eComposite decking installation in residential and commercial outdoor settings\u003c\/li\u003e\n \u003cli\u003ePVC decking fastening where a clean, flush finish is required\u003c\/li\u003e\n \u003cli\u003eCoastal, marine, and poolside deck construction where chloride exposure demands severe-level corrosion resistance\u003c\/li\u003e\n \u003cli\u003eHigh-humidity and wet-environment decking applications where standard stainless or coated screws may fail prematurely\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 stainless steel recommended for composite decking in coastal or poolside environments?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel contains molybdenum, which significantly improves resistance to chloride-induced corrosion compared to standard 304 stainless steel. This makes the DCU screw in 316 stainless the appropriate choice for decks exposed to salt air, ocean spray, pool chemicals, or other chloride-rich conditions where a lesser fastener would corrode and stain the decking surface over time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo I need to pre-drill composite decking before using these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo. The DCU screw is engineered with a Type-17 point specifically designed to penetrate composite and PVC decking materials without requiring a pilot hole. This reduces installation steps and speeds up the overall decking process.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit is compatible with the T20 6-Lobe drive on these screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThese screws require a T20 6-Lobe driver bit. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is sold separately.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eCan the Deck-Drive DCU screw be used with a color-matched plug or cap system for a concealed finish?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The DCU screw is compatible with color-matching painted head options as well as the \u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e, which allows the fastener to blend with popular composite decking manufacturers' colors for a more professional, concealed appearance on finished deck surfaces.\u003c\/dd\u003e\n \u003c\/dl\u003e\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching screw plugs for a concealed finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591456645350,"sku":"DCU234C316","price":34.18,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753223049446,"sku":"DCU234P316","price":167.34,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753223082214,"sku":"DCU234MB316","price":598.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P305_ProdPho_Pho_Prod_Composite-Stainless-316-305-Angled_C0_719fe989-a033-43ce-a276-cc469e3c32b8.jpg?v=1741657731"},{"product_id":"simpson-deck-drive-10-x-2-316-stainless-steel-dcu-composite-decking-screw","title":"Simpson #10 X 2\" Deck-Drive DCU Composite Screw, 316 Stainless Steel","description":"\u003cdiv\u003e\n \u003cp\u003e\u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in Type 316 Stainless Steel\u003c\/strong\u003e is engineered specifically for composite and PVC decking installations where severe corrosion resistance is required. Built by Simpson, this #10 x 2\" cap-head fastener delivers a clean, professional finish while standing up to harsh coastal and chloride-heavy environments that would compromise lesser fasteners. The color-matching painted head blends with popular decking manufacturers' boards for a concealed, polished result that looks as good as it performs.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eType 316 Stainless Steel construction\u003c\/strong\u003e - provides severe-level corrosion resistance, making this screw especially well-suited for coastal, saltwater-adjacent, and chemically demanding outdoor environments where chloride exposure is a concern.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - penetrates composite and PVC decking cleanly without pre-drilling, saving installation time and reducing the risk of surface cracking or splitting.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe design)\u003c\/strong\u003e - clear excess material as the screw seats, preventing unsightly buildup around the head and ensuring a flush, secure installation every time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. head diameter\u003c\/strong\u003e - distributes clamping force evenly across the decking surface, helping to firmly anchor boards without over-driving or causing surface damage.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive\u003c\/strong\u003e - delivers superior torque transfer compared to standard Phillips or square drives, reducing cam-out and driver bit wear during repetitive fastening tasks.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor-matching painted heads\u003c\/strong\u003e - blend with popular composite decking manufacturers' board colors, resulting in a more concealed and professionally finished deck surface.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCompatible with Deck-Drive Screw Plug Solution\u003c\/strong\u003e - allows for an even more seamless, hidden-fastener appearance when screw plugs are used in conjunction with these screws.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned from the ground up for composite and PVC decking - the Type-17 point and inverted Tri-Lobe threads work together to handle the unique material properties of composite boards, eliminating the need to mix and match fasteners across different decking brands.\u003c\/li\u003e\n \u003cli\u003eType 316 stainless steel is the right choice for environments where chlorides, salt air, or chemical exposure would cause standard stainless or coated screws to fail prematurely - giving your deck installation a long service life even in tough coastal conditions.\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive and included driver bit mean you can start fastening right away with consistent, cam-out-free performance throughout the job - reducing fatigue and installation errors on large decking projects.\u003c\/li\u003e\n \u003cli\u003eColor-matched heads and compatibility with the Screw Plug Solution give installers and homeowners the flexibility to achieve either a low-profile painted-head finish or a fully concealed fastening result, meeting a wide range of aesthetic preferences.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type 316 Stainless Steel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e None\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU2C316:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU2P316:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking are the Deck-Drive DCU screws designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU is engineered for use with all types of composite and PVC decking. The Type-17 point and Tri-Lobe thread design are specifically optimized for the material properties of these board types, making it a versatile single-screw solution across composite decking brands.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy is Type 316 stainless steel recommended over other grades for deck fasteners?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eType 316 stainless steel offers severe-level corrosion resistance, with enhanced protection against chlorides compared to Type 304. This makes it the preferred choice for decking installations in coastal areas, near pools, or in any environment where salt air or chemical exposure is present.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDo the screw heads blend in with composite decking boards?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The DCU screws feature color-matching painted cap heads designed to blend with popular composite decking manufacturers' board colors. For an even more concealed finish, they are also compatible with the Deck-Drive Screw Plug Solution.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit does this screw use, and is one included?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU uses a T20 6-Lobe drive, which provides strong torque transfer and minimizes cam-out during installation. One T20 6-Lobe driver bit is included with your order. A replacement bit is also available separately - see the Related Products section below.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Replacement T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matched screw plugs for a fully concealed fastening finish\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591433773286,"sku":"DCU2C316","price":31.19,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753193525478,"sku":"DCU2P316","price":137.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234P305_ProdPho_Pho_Prod_Composite-Stainless-316-305-Angled_C0_58eef5a4-0881-4489-8aff-1fd69ab6a9d7.jpg?v=1741656949"},{"product_id":"simpson-deck-drive-10-x-2-3-4-tan-01-dcu-composite-decking-screw","title":"Simpson #10 X 2-3\/4\" Tan 01, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Tan 01 color\u003c\/strong\u003e is a purpose-built fastener from Simpson designed to deliver clean, professional results when installing composite or PVC deck boards. Protected by a \u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e, this carbon-steel screw resists medium levels of corrosion, making it a reliable choice for outdoor decking environments exposed to moisture and the elements. The color-matching painted cap head in Tan 01 blends seamlessly with popular composite decking products, reducing the visible fastener footprint for a finished, polished appearance. Whether you are a professional contractor or a committed DIYer, this screw is engineered to simplify composite deck board installation while delivering lasting structural integrity.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, helping the screw hold up in outdoor composite and PVC decking applications exposed to weather and moisture.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-drilling tip penetrates composite decking without pre-drilling, speeding up installation and reducing labor time.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted upper threads (Tri-Lobe Threads)\u003c\/strong\u003e - engineered to clear excess composite material as the screw seats, producing a clean, flush finish without material buildup around the head.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head design with 0.230\" head diameter\u003c\/strong\u003e - provides a broad, low-profile bearing surface that seats securely against composite decking without cracking or over-driving the material.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe drive type\u003c\/strong\u003e - delivers positive bit engagement with reduced cam-out, giving installers more torque control and a cleaner drive experience on every fastener.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 01 color-matching painted head\u003c\/strong\u003e - blends with popular composite decking manufacturers' board colors for a concealed, professional finish that keeps the focus on your deck, not the hardware.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" length at #10 screw size\u003c\/strong\u003e - sized appropriately for composite deck board fastening applications, ensuring adequate penetration and holding strength.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking - unlike general-purpose wood screws, this fastener is engineered with the material properties of composite boards in mind, so you get a clean seat and secure hold without splitting, cracking, or surface damage.\u003c\/li\u003e\n \u003cli\u003eThe Tan 01 color-matched head means your fasteners disappear into the deck surface - no mismatched silver or black screw heads interrupting the visual flow of your composite deck boards.\u003c\/li\u003e\n \u003cli\u003eInverted upper threads actively clear composite material during installation - this prevents the unsightly raised ridges or mounding around the screw head that can occur with standard fasteners driven into composite decking.\u003c\/li\u003e\n \u003cli\u003eQuik Guard Coating provides corrosion resistance suitable for outdoor composite deck installations - giving you confidence that the fasteners will maintain their integrity over time in typical exterior weather conditions.\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 01\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN01R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN01R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN01MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat types of decking is the Deck-Drive DCU Composite Screw compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for use with all types of composite or PVC decking. It is not intended for standard wood deck boards - a different screw should be selected for those applications.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy do the Tri-Lobe Threads matter for composite decking installation?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe inverted upper threads are specifically engineered to clear excess material as the screw is driven home. This prevents composite material from building up around the screw head and ensures a clean, flush, professional-looking installation every time.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit should I use with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The recommended replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is compatible with the T20 6-Lobe recess on these fasteners.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eIs the Tan 01 color head designed to match specific composite decking brands?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The color-matching painted heads are available in a wide range of colors - including Tan 01 - specifically to blend with popular composite decking manufacturers' board colors for a more concealed, professional finish. See the Composite-Decking Color Cross-Reference chart in the Downloads section for a full color-matching reference.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - compatible color-matching DCU Screw Plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591433871590,"sku":"DCU234TN01R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753193787622,"sku":"DCU234TN01R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753193820390,"sku":"DCU234TN01MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN01_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan01_C0_8b9f366a-f80d-4116-8e37-0d09a28ddab4.jpg?v=1741656948"},{"product_id":"simpson-deck-drive-10-x-2-3-4-tan-02-dcu-composite-decking-screw","title":"Simpson #10 X 2-3\/4\" Tan 02, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Tan 02 color\u003c\/strong\u003e is a purpose-built fastener from Simpson designed specifically for composite and PVC decking installations. Featuring a Quik Guard coating that resists medium levels of corrosion, this carbon-steel screw delivers a clean, concealed finish with its color-matching painted cap head in Tan 02 - blending seamlessly with popular composite decking products for a professional result. Whether you are fastening composite deck boards or working with PVC decking, this screw is engineered to penetrate cleanly and seat securely without the mess or guesswork of mismatched fasteners.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making this screw suitable for outdoor composite and PVC decking environments where moisture exposure is a regular concern\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-drilling tip penetrates composite decking cleanly without pre-drilling, saving installation time and reducing surface damage\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess composite material away from the surface during installation, resulting in a flush, clean seat with no mushrooming or material buildup\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 02 Color-Matching Cap Head\u003c\/strong\u003e - painted head blends with popular composite decking brands for a more concealed, professional-looking deck surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - provides positive bit engagement and reduced cam-out during driving, giving installers better torque transfer and control\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. Head Diameter\u003c\/strong\u003e - low-profile head seats flush against composite decking for a neat finish without raised fastener heads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e#10 x 2-3\/4\" Size\u003c\/strong\u003e - appropriately sized for composite deck board fastening, providing secure holding power through the decking and into the substructure below\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned exclusively for composite and PVC decking - eliminates the need to mix and match screws across different decking brands or materials, simplifying procurement and installation\u003c\/li\u003e\n \u003cli\u003eThe Tan 02 color-matched painted head blends with popular composite decking manufacturers' products, delivering a more professional and concealed fastener appearance that homeowners and contractors expect on finished decks\u003c\/li\u003e\n \u003cli\u003eInverted upper threads actively clear excess material during installation - preventing the raised or rough surface spots that standard screws can create when used in composite decking\u003c\/li\u003e\n \u003cli\u003eQuik Guard coating offers medium-level corrosion resistance suitable for typical outdoor deck conditions, providing lasting performance in the moisture-rich environment that composite deck boards inhabit\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 02\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN02R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN02R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN02MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is designed for all types of composite or PVC decking. The Type-17 point and Tri-Lobe threads are specifically engineered to penetrate and seat cleanly in composite deck board materials without pre-drilling.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the BIT20T-2-R2, which is available as a separate accessory. See the Related Products section below for a direct link.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWill the Tan 02 head color match my composite decking?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Tan 02 painted cap head is formulated to blend with popular composite decking manufacturers' products. A Composite-Decking Color Cross-Reference chart is available in the Downloads and Resources section below to help verify compatibility with your specific decking brand and color.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat level of corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Quik Guard coating is engineered to resist medium levels of corrosion, making it appropriate for standard outdoor composite and PVC decking applications where the fasteners will be exposed to moisture and typical weather conditions.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - compatible T20 6-Lobe driver bit for use with this screw\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - compatible color-matching DCU screw plugs for a finished deck appearance\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591434002662,"sku":"DCU234TN02R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753193853158,"sku":"DCU234TN02R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753193885926,"sku":"DCU234TN02MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN02_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan02_C0_d380bbf2-4bfc-4b02-bc4e-557384683aff.jpg?v=1741656947"},{"product_id":"simpson-deck-drive-10-x-2-3-4-tan-03-dcu-composite-decking-screw","title":"Simpson #10 X 2-3\/4\" Tan 03, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\" with Tan 03 finish\u003c\/strong\u003e is a purpose-built fastener designed to deliver clean, secure, and professional results when installing composite or PVC deck boards. Engineered by Simpson with a Quik Guard coating for medium-level corrosion resistance, this carbon-steel screw features a Type-17 point for smooth penetration into composite decking materials, inverted upper threads that clear excess material during installation, and a color-matched painted cap head that blends seamlessly with popular composite decking brands for a concealed, polished appearance.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making these screws suitable for outdoor composite and PVC deck installations exposed to moisture and weather\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-starting tip penetrates composite decking material without pre-drilling, reducing installation time and effort\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Threads (Tri-Lobe Thread Design)\u003c\/strong\u003e - clear excess composite material during driving for a clean, flush finish with no surface buildup or cracking\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230\" Head Diameter\u003c\/strong\u003e - wide seating surface secures composite boards firmly while keeping the fastener low-profile at the surface\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive\u003c\/strong\u003e - provides superior bit engagement and torque transfer, reducing cam-out and driver slippage during installation\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan 03 Color-Matched Painted Head\u003c\/strong\u003e - blends with popular composite decking colors for a concealed, professional-grade appearance that eliminates the visual distraction of exposed fastener heads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e2-3\/4\" Length\u003c\/strong\u003e - sized to provide deep, secure penetration into composite deck boards and structural framing below\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned specifically for composite and PVC decking applications, this screw eliminates the need to source different fasteners for different decking brands - one screw works across all types of composite or PVC deck boards\u003c\/li\u003e\n \u003cli\u003eThe Tan 03 color-matched painted head is engineered to blend with popular manufacturers' decking finishes, giving completed decks a clean, contractor-quality look without visible fastener hardware\u003c\/li\u003e\n \u003cli\u003eThe combination of a Type-17 self-starting point and inverted upper threads means faster, cleaner driving with less chance of surface damage or material cracking - important for maintaining the integrity of composite decking\u003c\/li\u003e\n \u003cli\u003eThe Quik Guard coating is formulated to resist medium levels of corrosion, making this screw a reliable choice for outdoor deck construction where fasteners are regularly exposed to rain, humidity, and temperature changes\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan 03\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN03R70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN03R350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TN03MB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw is engineered for all types of composite or PVC decking. The Type-17 point and Tri-Lobe thread design work together to drive cleanly into composite deck board material without pre-drilling, making it a versatile choice across different composite decking brands and products.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhy does the head color matter for composite deck screws?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Tan 03 painted cap head is specifically color-matched to blend with popular composite decking manufacturers' board colors. This gives the finished deck a cleaner, more professional look by minimizing the visual contrast between the screw head and the surrounding decking surface - a common concern for homeowners and contractors alike.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat drive bit is compatible with this screw?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. The compatible replacement driver bit is the \u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e, which is sold separately and recommended for use with these Deck-Drive DCU composite screws.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eHow much corrosion resistance does the Quik Guard coating provide?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Quik Guard coating is designed to resist medium levels of corrosion. This makes the screw appropriate for standard outdoor composite and PVC deck board installations where fasteners are exposed to moisture, rain, and typical weather conditions, but not for high-corrosion or marine environments.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e - Compatible T20 6-Lobe driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Compatible color-matching DCU screw plugs\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591434100966,"sku":"DCU234TN03R70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753193984230,"sku":"DCU234TN03R350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753194016998,"sku":"DCU234TN03MB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN03_ProdIll_Ill_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan03_C0.jpg?v=1741656946"},{"product_id":"simpson-deck-drive-10-x-2-3-4-tan-dcu-composite-decking-screw","title":"Simpson #10 X 2-3\/4\" Tan, Deck-Drive DCU Composite Screw","description":"\u003cdiv\u003e\n \u003cp\u003eThe \u003cstrong\u003eSimpson Deck-Drive DCU Composite Screw in #10 x 2-3\/4\", Tan\u003c\/strong\u003e is a purpose-built fastener from Simpson designed specifically for composite and PVC deck board installations. Featuring a Quik Guard coating for medium-level corrosion resistance, this screw delivers a clean, professional finish with color-matching painted heads that blend seamlessly with popular composite decking products. Whether you are installing a new deck or replacing worn fasteners, the DCU composite screw combines ease of installation with reliable holding strength and a finished appearance that elevates the look of any outdoor decking project.\u003c\/p\u003e\n\n \u003ch3\u003eKey Features\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuik Guard Coating\u003c\/strong\u003e - provides medium-level corrosion resistance, making this screw a dependable choice for outdoor composite and PVC decking exposed to the elements\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eType-17 Point\u003c\/strong\u003e - self-piercing tip penetrates composite decking without pre-drilling, speeding up installation and reducing prep time on the job\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eInverted Upper Tri-Lobe Threads\u003c\/strong\u003e - engineered to clear excess material as the screw seats, resulting in a clean, flush installation with no raised ridges or surface debris\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCap Head with 0.230 in. Head Diameter\u003c\/strong\u003e - wide bearing surface distributes load evenly across the decking surface for a secure, stable hold\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eT20 6-Lobe Drive Type\u003c\/strong\u003e - the 6-lobe drive interface reduces bit slippage and cam-out, giving installers better torque control and a more efficient drive experience\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTan Color with Painted Head\u003c\/strong\u003e - color-matching finish blends with popular composite decking manufacturers' products for a concealed, professional appearance\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCarbon Steel Construction\u003c\/strong\u003e - provides the structural integrity needed to fasten composite and PVC deck boards firmly and consistently\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eWhy This Product\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDesigned from the ground up for composite and PVC decking - the Type-17 point and inverted upper threads work together to eliminate common installation problems like raised material, cracking, or uneven seating that can occur with general-purpose screws\u003c\/li\u003e\n \u003cli\u003eThe tan painted cap head matches popular decking colors so the fastener nearly disappears into the board surface, delivering the clean, finished look that composite decking is valued for\u003c\/li\u003e\n \u003cli\u003eQuik Guard coating resists medium levels of corrosion, making these screws suitable for outdoor deck applications where moisture and weather exposure are ongoing concerns\u003c\/li\u003e\n \u003cli\u003eThe T20 6-Lobe drive design reduces cam-out and bit wear, so installers can drive more screws accurately with less effort - a practical advantage on large decking projects\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eSpecifications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Simpson Strong-Tie\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eScrew Size:\u003c\/strong\u003e #10\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 2-3\/4 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cap Head\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T20 6-Lobe\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Tri-Lobe Threads\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e Type-17 Point\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish:\u003c\/strong\u003e Quik Guard Coating\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Tan\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TNR70:\u003c\/strong\u003e 70 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TNR350:\u003c\/strong\u003e 350 Pk - includes 1 driver bit included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDCU234TNMB:\u003c\/strong\u003e 1750 Pk - includes 2 driver bits included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n \u003ch3\u003eApproved Applications\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003eDecks - Deck Boards Composite\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n \u003cdl\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat type of decking material is this screw designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThe Deck-Drive DCU Composite Screw is engineered specifically for all types of composite or PVC decking. It is not intended as a general-purpose wood screw - it is optimized for the density and material characteristics of manufactured composite deck boards.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eDoes this screw require pre-drilling before installation?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eNo pre-drilling is required. The Type-17 point is a self-piercing tip that penetrates composite decking directly, saving time and eliminating the need for an extra preparation step during installation.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eWhat driver bit does this screw use, and is there a compatible replacement bit?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eThis screw uses a T20 6-Lobe drive. A compatible replacement driver bit is available - see the Related Products section below for the recommended bit. The 6-lobe interface is designed to reduce cam-out and extend bit life compared to standard drive types.\u003c\/dd\u003e\n \u003cdt\u003e\u003cstrong\u003eAre there color-matching plug options available to further conceal the screw heads?\u003c\/strong\u003e\u003c\/dt\u003e\n \u003cdd\u003eYes. The Deck-Drive DCU Composite Screw is compatible with color-matching DCU Screw Plugs. See the Related Products section below for the Deck-Drive Screw Plug Solution, which allows you to cover installed screw heads for an even cleaner deck surface appearance.\u003c\/dd\u003e\n \u003c\/dl\u003e\n\n \u003ch3\u003eDownloads and Resources\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/Deck-Drive_DCU_COMPOSITE_Screw.pdf?v=13341827379178781934\" target=\"_blank\" rel=\"noopener\"\u003eComposite-Decking Color Cross-Reference Chart\u003c\/a\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\n \u003ch3\u003eRelated Products\u003c\/h3\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003ca href=\"\/products\/simpson-strong-tie-bit20t-2-rc3-t-20-6-lobe-2-driver-bit-3ct?_pos=1\u0026amp;_sid=6b892aef2\u0026amp;_ss=r\"\u003eBIT20T-2-R2\u003c\/a\u003e - Compatible T20 6-Lobe replacement driver bit\u003c\/li\u003e\n \u003cli\u003e\n\u003ca href=\"\/collections\/hidden-deck-fasteners\"\u003eDeck-Drive Screw Plug Solution\u003c\/a\u003e - Color-matching screw plugs compatible with DCU Composite Screws\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"70 Pk","offer_id":45591434199270,"sku":"DCU234TNR70","price":17.42,"currency_code":"USD","in_stock":true},{"title":"350 Pk","offer_id":46753194148070,"sku":"DCU234TNR350","price":60.4,"currency_code":"USD","in_stock":true},{"title":"1750 Pk","offer_id":46753194180838,"sku":"DCU234TNMB","price":227.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/products\/F_DCU234TN_ProdPho_Pho_Prod_Deck-Drive-DCU-Composite-CarbonSteel-Tan_C0_2a8ab8f7-4baa-44d0-b6c6-94f13c90c43f.jpg?v=1741656945"}],"url":"https:\/\/factorydirectsupply.com\/collections\/composite-decking-screws.oembed?page=2","provider":"Factory Direct Supply","version":"1.0","type":"link"}