{"product_id":"simpson-strong-drive-sdcf-timber-cf-screw-0-315-in-x-7-in-t40-e-coat","title":"Simpson Strong-Drive SDCF TIMBER-CF Screw - 0.315 in. x 7 in. T40 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCF TIMBER-CF Screw - 0.315 in. x 7 in., T40, E-Coat\u003c\/strong\u003e by Simpson Strong-Tie is a structural wood screw engineered for cross-laminated timber (CLT), mass timber construction, and demanding general interior fastening applications. The black e-coat finish and optimized hardness profile combine aesthetics with reliable, long-term performance, making this screw a dependable choice for heavy timber framing, glulam assemblies, engineered wood fastening, and multi-ply wood-to-wood connections.\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 - eliminates surface protrusions that interfere with adjoining materials\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, fully-threaded shank provides strength with superb withdrawal resistance - delivers structural holding power in wood-to-wood and wood-to-steel connections\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\u003c\/li\u003e\n\u003cli\u003eBlack e-coat electrocoating finish provides a construction-durable nonmetallic coating - resists corrosion in interior dry-service applications while enhancing appearance\u003c\/li\u003e\n\u003cli\u003eDeep T40 6-lobe recess for a secure drive - minimizes cam-out and bit slippage during installation for faster, cleaner driving\u003c\/li\u003e\n\u003cli\u003eOptimized hardness profile helps mitigate risk of brittle fracture - supports reliable, long-term structural performance in demanding timber applications\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - meets rigorous Canadian structural standards for mass timber and engineered wood construction\u003c\/li\u003e\n\u003cli\u003e0.230 in. shank diameter with 6 5\/8 in. thread length - maximizes thread engagement throughout the fastening zone for superior grip\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for cross-laminated timber and mass timber construction - the SDCF Timber-CF screw provides uncompromised structural strength for the unique demands of CLT, glulam, beam reinforcement, and heavy timber framing applications where standard screws fall short.\u003c\/li\u003e\n\u003cli\u003eThe SawTooth point eliminates predrilling in most applications - reducing labor time and tool requirements on job sites where speed and efficiency in engineered wood fastening are critical.\u003c\/li\u003e\n\u003cli\u003eThe black e-coat electrocoating finish is a nonmetallic, construction-durable coating - making it the right choice for interior dry-service applications where corrosion resistance and a clean finished appearance both matter.\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - giving engineers, contractors, and inspectors confidence that this screw meets the structural reliability standards expected in mass timber and engineered wood 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\u003eProduct Name:\u003c\/strong\u003e Strong-Drive SDCF TIMBER-CF Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter:\u003c\/strong\u003e 0.230 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 0.590 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length:\u003c\/strong\u003e 6 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 T40 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\u003eSDCF8X180-R50:\u003c\/strong\u003e 50 Pk - includes T40, 6-lobe driver bit (replacement bit: BIT40T-134-R2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDCF8X180:\u003c\/strong\u003e 250 Pk - includes T40, 6-lobe driver bit (replacement bit: BIT40T-134-R2)\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\u003eT40, 6-lobe driver bit (replacement bit: BIT40T-134-R2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/strong\u003e\n\u003c\/div\u003e","brand":"SIMPSON","offers":[{"title":"50 Pk","offer_id":67653511151846,"sku":"SDCF8X180-R50","price":139.37,"currency_code":"USD","in_stock":true},{"title":"250 Pk","offer_id":67653511184614,"sku":"SDCF8X180","price":563.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCF8X180-R50_00707392028437_Product_Photo_02.jpg?v=1791508415","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcf-timber-cf-screw-0-315-in-x-7-in-t40-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}