{"product_id":"simpson-strong-drive-sdcf-timber-cf-screw-0-390-in-x-11-in-t50-e-coat","title":"Simpson Strong-Drive SDCF TIMBER-CF Screw - 0.390 in. x 11 in. T50 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCF TIMBER-CF Screw - 0.390 in. x 11 in., T50, E-Coat\u003c\/strong\u003e by \u003cstrong\u003eSimpson Strong-Tie\u003c\/strong\u003e is a structural timber screw engineered for cross-laminated timber (CLT), mass timber construction, and demanding general interior wood fastening applications. Redesigned for uncompromised strength and consistent performance, this heavy-duty fastener delivers superb withdrawal resistance while the black e-coat electrocoating finish keeps the connection clean and corrosion resistant in interior dry-service conditions. Whether you are fastening support beams, glulam assemblies, engineered wood, or wall-to-wall connections, this screw is built to perform reliably over the long term.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat head with underhead nibs enables clean countersinking and a flush finish - meaning no raised fastener heads to interfere with surface splines or finished timber surfaces\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, fully-threaded shank along a 10 1\/2 in. thread length - maximizes withdrawal resistance across the entire fastener length for structural-grade holding power\u003c\/li\u003e\n\u003cli\u003eSawTooth point for fast starts and easy driving - reduces installation torque and eliminates the need for predrilling in most applications, speeding up workflow on the jobsite\u003c\/li\u003e\n\u003cli\u003eBlack e-coat electrocoating finish - provides a construction-durable nonmetallic coating for corrosion resistance in interior dry-service applications while delivering a clean, professional appearance\u003c\/li\u003e\n\u003cli\u003eDeep T50 6-lobe recess - gives a secure, high-torque drive connection that reduces cam-out and driver bit wear during heavy timber installation\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - the optimized hardness profile helps mitigate the risk of brittle fracture for reliable, long-term structural performance\u003c\/li\u003e\n\u003cli\u003e0.390 in. head diameter of 0.725 in. - provides a large bearing surface for secure seating in CLT and mass timber panels without over-stressing the wood surface\u003c\/li\u003e\n\u003cli\u003e0.290 in. shank diameter - sized for structural load transfer in heavy timber and multi-ply engineered wood fastening applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-built for mass timber and CLT construction - the SDCF TIMBER-CF screw is specifically designed for cross-laminated timber, glulam, and multi-ply engineered wood fastening where structural integrity and consistent installation are critical\u003c\/li\u003e\n\u003cli\u003eNo predrilling required in most applications - the SawTooth point and reduced-torque design save significant time on large-scale timber framing and beam reinforcement projects\u003c\/li\u003e\n\u003cli\u003eOptimized hardness profile reduces brittle fracture risk - combined with CSA O86:24 compliance, this screw is engineered to meet the demanding structural and safety standards of modern mass timber construction\u003c\/li\u003e\n\u003cli\u003eVersatile enough for a wide range of structural connections - from fastening wood-to-wood and wood-to-steel to surface splines, butt joists, and Simpson Strong-Tie connector installations, this screw handles diverse interior structural tasks with a single fastener specification\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 11 in.\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 10 1\/2 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\u003eSDCF10X280-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\u003eSDCF10X280:\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\u003eMass Timber \/ Cross-Laminated Timber (CLT)\u003c\/li\u003e\n\u003cli\u003eHeavy Timber construction\u003c\/li\u003e\n\u003cli\u003eTimber Framing\u003c\/li\u003e\n\u003cli\u003eGlulam beam fastening\u003c\/li\u003e\n\u003cli\u003eEngineered Wood - Multi-Ply Fastening\u003c\/li\u003e\n\u003cli\u003eEngineered Wood (general)\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 Support Beams\u003c\/li\u003e\n\u003cli\u003eFastening Simpson Strong-Tie Connectors\u003c\/li\u003e\n\u003cli\u003eFastening Wall-to-Wall\u003c\/li\u003e\n\u003cli\u003eFastening Floor-to-Floor\u003c\/li\u003e\n\u003cli\u003eFastening Butt Joists\u003c\/li\u003e\n\u003cli\u003eFastening Stud-to-Plate\u003c\/li\u003e\n\u003cli\u003eGeneral Interior applications\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":67653511610598,"sku":"SDCF10X280-R30","price":217.01,"currency_code":"USD","in_stock":true},{"title":"150 Pk","offer_id":67653511643366,"sku":"SDCF10X280","price":994.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCF10X280-R30_00707392028352_Product_Photo_01.jpg?v=1791561493","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcf-timber-cf-screw-0-390-in-x-11-in-t50-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}