{"product_id":"simpson-strong-drive-sdcf-timber-cf-screw-0-470-in-x-7-7-8-in-t50-e-coat","title":"Simpson Strong-Drive SDCF TIMBER-CF Screw - 0.470 in. x 7-7\/8 in. T50 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCF TIMBER-CF Screw - 0.470 in. x 7 7\/8 in., T50, E-Coat\u003c\/strong\u003e by Simpson Strong-Tie is a heavy-duty structural wood screw engineered for cross-laminated timber (CLT), mass timber construction, and general interior wood fastening applications. The redesigned SDCF screw delivers uncompromised holding power in demanding timber framing, glulam assembly, and engineered wood connections - all with a clean, flush finish and reliable long-term performance backed by a construction-durable black e-coat electrocoating.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFlat head with underhead nibs enables clean countersinking for a flush finish - ideal for exposed CLT and mass timber surfaces where aesthetics matter\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, fully-threaded shank provides exceptional withdrawal resistance - keeping timber connections tight under load in structural applications\u003c\/li\u003e\n\u003cli\u003eSawTooth point enables fast starts and easy driving - significantly reducing installation torque and eliminating the need for predrilling in most applications\u003c\/li\u003e\n\u003cli\u003eBlack e-coat electrocoating provides a construction-durable nonmetallic coating - delivering corrosion resistance suited for interior dry-service environments while enhancing aesthetics\u003c\/li\u003e\n\u003cli\u003eDeep T50 6-lobe drive recess provides a secure driver engagement - reducing cam-out and improving installation control during heavy timber assembly\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - the optimized hardness profile helps mitigate risk of brittle fracture for reliable, long-term structural performance\u003c\/li\u003e\n\u003cli\u003eLength of 7 7\/8 in. (200 mm) - provides deep thread engagement through thick timber members including multi-ply engineered wood and glulam beams\u003c\/li\u003e\n\u003cli\u003eShank diameter of 0.315 in. with 0.470 in. head diameter - engineered proportions deliver the clamping force needed for surface splines, beam reinforcement, and stud-to-plate connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-built for CLT and mass timber - this screw is specifically designed for cross-laminated timber and mass timber construction, where standard fasteners often fall short in withdrawal performance and surface finish quality\u003c\/li\u003e\n\u003cli\u003eNo predrilling required in most applications - the SawTooth point and optimized thread geometry reduce installation time and labor cost on large-scale timber framing and engineered wood projects\u003c\/li\u003e\n\u003cli\u003eStructurally reliable in interior conditions - the black e-coat electrocoating and CSA O86:24-compliant hardness profile work together to reduce brittleness risk and maintain performance over time in dry-service interior environments\u003c\/li\u003e\n\u003cli\u003eVersatile across a wide range of timber applications - from fastening wood-to-wood and wood-to-steel to glulam, butt joists, wall-to-wall, and Simpson Strong-Tie connector installations, this single fastener handles demanding multi-application job sites\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 7 7\/8 in. (200 mm)\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 7 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\u003eSDCF12X200-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\u003eSDCF12X200:\u003c\/strong\u003e 200 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":67653513052390,"sku":"SDCF12X200-R25","price":182.22,"currency_code":"USD","in_stock":true},{"title":"200 Pk","offer_id":67653513085158,"sku":"SDCF12X200","price":1239.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCF12X200-R25_00707392028864_Product_Photo_02.jpg?v=1791508458","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcf-timber-cf-screw-0-470-in-x-7-7-8-in-t50-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}