{"product_id":"simpson-strong-drive-sdcf-timber-cf-screw-0-390-in-x-9-1-2-in-t50-e-coat","title":"Simpson Strong-Drive SDCF TIMBER-CF Screw - 0.390 in. x 9-1\/2 in. T50 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCF TIMBER-CF Screw - 0.390 in. x 9-1\/2 in., T50, E-Coat\u003c\/strong\u003e by Simpson Strong-Tie is a heavy-duty structural fastener engineered for cross-laminated timber (CLT), mass timber construction, and general interior wood-to-wood applications. Designed for demanding timber framing and engineered wood projects, this fully-threaded screw delivers uncompromised withdrawal resistance and a clean, flush finish - making it the right choice for professionals working with glulam, multi-ply fastening, beam reinforcement, and surface splines. The black e-coat electrocoating finish gives it a refined appearance while providing a construction-durable nonmetallic coating suited to interior dry-service conditions.\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 wood surface, eliminating the need for additional finishing work on exposed CLT and mass timber panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-duty, fully-threaded shank (0.290 in. shank diameter)\u003c\/strong\u003e - maximizes withdrawal resistance along the full 9 in. thread length, delivering structural performance in load-bearing timber connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSawTooth point\u003c\/strong\u003e - provides a fast start and easy driving, reducing installation torque and eliminating the need for predrilling in most applications, saving time on the job.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack e-coat electrocoating finish\u003c\/strong\u003e - a construction-durable nonmetallic coating that provides corrosion resistance in interior dry-service applications while maintaining a clean, consistent black appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep T50 6-lobe recess\u003c\/strong\u003e - creates a secure, positive engagement with the driver bit, reducing cam-out and providing reliable torque transfer even in heavy timber applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements\u003c\/strong\u003e - the optimized hardness profile and e-coat finish help mitigate the risk of brittle fracture, supporting long-term structural reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.390 in. head diameter \/ 0.725 in. overall head width\u003c\/strong\u003e - a generously sized flat head distributes load across the wood surface, reducing splitting risk in CLT and engineered wood panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e9-1\/2 in. overall length (240 mm)\u003c\/strong\u003e - sized for deep penetration into mass timber and multi-ply engineered wood assemblies where a long fastener is required for code-compliant 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 TIMBER-CF screw is specifically designed for cross-laminated timber, glulam, and heavy timber applications, addressing the unique fastening demands of modern mass timber building systems where structural integrity and a flush finish both matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo predrilling required in most applications\u003c\/strong\u003e - the SawTooth point reduces installation torque and allows direct driving into dense engineered wood and timber, saving significant time and labor on large-scale CLT and glulam projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable long-term performance supported by CSA compliance\u003c\/strong\u003e - the screw's optimized hardness profile and e-coat finish are engineered to meet CSA O86:24 hydrogen embrittlement requirements, reducing brittle fracture risk and supporting confidence in structural wood connections over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile across a wide range of interior structural applications\u003c\/strong\u003e - approved for wood-to-wood, wood-to-steel, wall-to-wall, floor-to-floor, stud-to-plate, and Simpson Strong-Tie connector fastening, this single screw covers a broad scope of interior structural framing and engineered wood assembly tasks.\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. (240 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 0.290 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.725 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length:\u003c\/strong\u003e 9 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T50 6-Lobe\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\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\u003eSDCF10X240-R30:\u003c\/strong\u003e 30 Pk - includes T50, 6-lobe driver bit (replacement bit: BIT50T-2-R1)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDCF10X240:\u003c\/strong\u003e 250 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\u003eMass Timber \/ Cross-Laminated Timber (CLT)\u003c\/li\u003e\n\u003cli\u003eHeavy Timber\u003c\/li\u003e\n\u003cli\u003eGlulam\u003c\/li\u003e\n\u003cli\u003eTimber Framing\u003c\/li\u003e\n\u003cli\u003eEngineered Wood - Multi-Ply Fastening\u003c\/li\u003e\n\u003cli\u003eEngineered Wood\u003c\/li\u003e\n\u003cli\u003eBeam Reinforcement\u003c\/li\u003e\n\u003cli\u003eSurface Splines\u003c\/li\u003e\n\u003cli\u003eFastening Wood-to-Wood\u003c\/li\u003e\n\u003cli\u003eFastening Wood-to-Steel\u003c\/li\u003e\n\u003cli\u003eFastening Wall-to-Wall\u003c\/li\u003e\n\u003cli\u003eFastening Floor-to-Floor\u003c\/li\u003e\n\u003cli\u003eFastening Stud-to-Plate\u003c\/li\u003e\n\u003cli\u003eFastening Support Beams\u003c\/li\u003e\n\u003cli\u003eFastening Butt Joists\u003c\/li\u003e\n\u003cli\u003eFastening Simpson Strong-Tie Connectors\u003c\/li\u003e\n\u003cli\u003eGeneral Interior\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":"30 Pk","offer_id":67653512298726,"sku":"SDCF10X240-R30","price":175.84,"currency_code":"USD","in_stock":true},{"title":"250 Pk","offer_id":67653512331494,"sku":"SDCF10X240","price":1255.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCF10X240-R30_00707392028338_Product_Photo_02.jpg?v=1791561524","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcf-timber-cf-screw-0-390-in-x-9-1-2-in-t50-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}