{"product_id":"simpson-strong-drive-sdcf-timber-cf-screw-0-470-in-x-9-1-2-in-t50-e-coat","title":"Simpson Strong-Drive SDCF TIMBER-CF Screw - 0.470 in. x 9-1\/2 in. T50 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCF TIMBER-CF Screw - 0.470 in. x 9-1\/2 in., T50, E-Coat\u003c\/strong\u003e by \u003cstrong\u003eSimpson Strong-Tie\u003c\/strong\u003e is a heavy-duty structural wood screw engineered for cross-laminated timber (CLT), mass timber construction, and demanding general interior applications. The redesigned SDCF screw delivers uncompromised holding power in heavy timber, glulam, and engineered wood assemblies, combining a fully-threaded shank for superior withdrawal resistance with a SawTooth point that starts fast and drives cleanly - eliminating the need for predrilling in most applications. The black e-coat electrocoating finish not only provides a clean, professional look in exposed timber framing but also offers corrosion resistance suited to interior dry-service environments, while the optimized hardness profile helps mitigate the risk of brittle fracture for reliable, long-term structural performance.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat head with underhead nibs\u003c\/strong\u003e - enables clean countersinking so the screw sits flush with the timber surface, delivering a finished appearance in exposed mass timber and CLT applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty, fully-threaded shank\u003c\/strong\u003e - maximizes thread engagement along the full 8 5\/8 in. thread length, providing superb withdrawal resistance for demanding structural connections in heavy timber and multi-ply engineered wood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSawTooth point for fast start and easy driving\u003c\/strong\u003e - reduces installation torque and eliminates predrilling in most applications, saving time on large timber framing and CLT projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack e-coat electrocoating finish\u003c\/strong\u003e - provides a construction-durable nonmetallic coating for corrosion resistance in interior dry-service applications, while enhancing aesthetics in exposed timber construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep T50 6-lobe drive recess\u003c\/strong\u003e - gives a secure, slip-resistant engagement with the driver bit, reducing cam-out during high-torque driving into dense timber and glulam.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized hardness profile\u003c\/strong\u003e - helps mitigate the risk of brittle fracture, supporting reliable, long-term structural performance in cross-laminated timber and mass timber assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements\u003c\/strong\u003e - meets current Canadian wood design standards, confirming suitability for structural mass timber applications requiring code compliance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.470 in. head diameter of 0.875 in.\u003c\/strong\u003e - the wide flat head distributes load effectively across the timber surface, reducing the risk of pull-through in wood-to-wood and wood-to-steel connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose-built for mass timber and CLT construction\u003c\/strong\u003e - the SDCF screw is specifically designed for cross-laminated timber, glulam, and heavy timber applications where standard screws lack the withdrawal strength and structural integrity required by modern mass timber design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo predrilling required in most applications\u003c\/strong\u003e - the SawTooth point reduces installation torque and starts fast in dense timber, cutting labor time significantly on large-scale timber framing, beam reinforcement, and surface spline connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush, finished appearance in exposed timber\u003c\/strong\u003e - the flat head with underhead nibs countersinks cleanly, making this screw a practical choice for visible CLT panels, glulam beams, and architectural timber framing where aesthetics matter alongside structural performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant coating with structural-grade hardness\u003c\/strong\u003e - the black e-coat electrocoating provides corrosion resistance for interior dry-service use, while the optimized hardness profile reduces brittle fracture risk - a critical consideration in structural timber connections where fastener failure consequences are severe.\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\u003eProduct Name:\u003c\/strong\u003e Strong-Drive SDCF TIMBER-CF Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 9 1\/2 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 0.315 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.875 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length:\u003c\/strong\u003e 8 5\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Flat Head with Nibs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T50 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type:\u003c\/strong\u003e SawTooth Point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating:\u003c\/strong\u003e E-coat Electrocoating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e E-coat Electrocoating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003e\n\u003ch3\u003eAvailable Pack Options\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDCF12X240-R25:\u003c\/strong\u003e 25 Pk - includes T50, 6-lobe driver bit (replacement bit: BIT50T-2-R1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDCF12X240:\u003c\/strong\u003e 150 Pk - includes T50, 6-lobe driver bit (replacement bit: BIT50T-2-R1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApproved Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFastening Wood-to-Wood\u003c\/li\u003e\n\u003cli\u003eGeneral Interior\u003c\/li\u003e\n\u003cli\u003eFastening Support Beams\u003c\/li\u003e\n\u003cli\u003eHeavy Timber\u003c\/li\u003e\n\u003cli\u003eMass Timber \/ Cross-Laminated Timber\u003c\/li\u003e\n\u003cli\u003eEngineered Wood - Multi-Ply Fastening\u003c\/li\u003e\n\u003cli\u003eFastening Simpson Strong-Tie Connectors\u003c\/li\u003e\n\u003cli\u003eEngineered Wood\u003c\/li\u003e\n\u003cli\u003eFastening Wood-to-Steel\u003c\/li\u003e\n\u003cli\u003eTimber Framing\u003c\/li\u003e\n\u003cli\u003eSurface Splines\u003c\/li\u003e\n\u003cli\u003eBeam Reinforcement\u003c\/li\u003e\n\u003cli\u003eFastening Wall-to-Wall\u003c\/li\u003e\n\u003cli\u003eGlulam\u003c\/li\u003e\n\u003cli\u003eFastening Butt Joists\u003c\/li\u003e\n\u003cli\u003eFastening Floor-to-Floor\u003c\/li\u003e\n\u003cli\u003eFastening Stud-to-Plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eT50, 6-lobe driver bit (replacement bit: BIT50T-2-R1)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/strong\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"25 Pk","offer_id":67653513216230,"sku":"SDCF12X240-R25","price":207.1,"currency_code":"USD","in_stock":true},{"title":"150 Pk","offer_id":67653513248998,"sku":"SDCF12X240","price":1159.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCF12X240-R25_00707392028888_Product_Photo_01.jpg?v=1791508463","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcf-timber-cf-screw-0-470-in-x-9-1-2-in-t50-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}