{"product_id":"simpson-strong-drive-sdcfc-timber-cfc-screw-0-315-in-x-22-7-8-in-t40-e-coat","title":"Simpson Strong-Drive SDCFC TIMBER-CFC Screw - 0.315 in. x 22-7\/8 in. T40 (Black E-Coat)","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSimpson Strong-Drive SDCFC TIMBER-CFC Screw - 0.315 in. x 22-7\/8 in., T40, E-Coat\u003c\/strong\u003e by Simpson Strong-Tie is a heavy-duty structural wood screw engineered for demanding large-member applications including mass timber, glulam, and heavy timber framing. The fully threaded shank delivers superior withdrawal resistance across the entire fastener length, while the compact cylinder head creates a clean, finished appearance whether left exposed or countersunk flush. The SawTooth point reduces installation torque and eliminates the need for predrilling in most applications, making this screw a practical choice for structural timber connections, beam reinforcement, engineered wood fastening, and cross-laminated timber assemblies. The black e-coat electrocoating finish enhances aesthetics and helps mitigate the risk of brittle fracture for reliable, long-term performance in interior dry-service conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact cylinder head - helps countersink the screw for a clean, professional finish whether left exposed or concealed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, fully threaded shank with a 21-7\/8 in. thread length - provides strength and superb withdrawal resistance along the full fastener length\u003c\/li\u003e\n\u003cli\u003eSawTooth point - enables fast starts and easy driving, reducing installation torque and eliminating the need for predrilling in most applications\u003c\/li\u003e\n\u003cli\u003eBlack e-coat electrocoating finish - delivers a construction-durable nonmetallic coating for corrosion resistance in interior dry-service applications while enhancing aesthetics\u003c\/li\u003e\n\u003cli\u003eDeep T40 6-lobe recess drive - provides a secure, slip-resistant interface that reduces cam-out during installation\u003c\/li\u003e\n\u003cli\u003eOptimized hardness profile - helps mitigate the risk of brittle fracture for dependable, long-term structural performance\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - meets current standards for structural wood fasteners in engineered applications\u003c\/li\u003e\n\u003cli\u003eShank diameter of 0.230 in. with a 0.315 in. nominal overall diameter - sized for demanding structural connections in large timber members\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy This Product\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for mass timber, glulam, and heavy timber applications - the 22-7\/8 in. length and fully threaded shank provide the reach and withdrawal strength needed for large structural members that shorter screws cannot adequately fasten.\u003c\/li\u003e\n\u003cli\u003eNo predrilling required in most applications - the SawTooth point reduces installation time and labor costs on job sites where heavy timber fastening would otherwise demand time-consuming prep work.\u003c\/li\u003e\n\u003cli\u003eThe black e-coat finish serves a dual purpose - it improves corrosion resistance for interior dry-service use and delivers a clean, finished appearance that works in exposed architectural timber applications.\u003c\/li\u003e\n\u003cli\u003eCompliant with CSA O86:24 hydrogen embrittlement requirements - builders and engineers working on projects that reference current Canadian wood design standards can specify this fastener with confidence.\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 SDCFC TIMBER-CFC Screw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 22-7\/8 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 0.400 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Length:\u003c\/strong\u003e 21-7\/8 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e T40 6-Lobe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Cylinder Head\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\u003eSDCFC8X580-R25:\u003c\/strong\u003e 25 Pk - includes T40, 6-lobe driver bit (replacement bit: BIT40T-134-R2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDCFC8X580:\u003c\/strong\u003e 100 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\u003eEngineered Wood\u003c\/li\u003e\n\u003cli\u003eFastening Wood-to-Wood\u003c\/li\u003e\n\u003cli\u003eTimber Framing\u003c\/li\u003e\n\u003cli\u003eBeam Reinforcement\u003c\/li\u003e\n\u003cli\u003eFastening Wall-to-Wall\u003c\/li\u003e\n\u003cli\u003eFastening Support Beams\u003c\/li\u003e\n\u003cli\u003eHeavy Timber\u003c\/li\u003e\n\u003cli\u003eGlulam\u003c\/li\u003e\n\u003cli\u003eFastening Butt Joists\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\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":"25 Pk","offer_id":67653508399334,"sku":"SDCFC8X580-R25","price":594.0,"currency_code":"USD","in_stock":true},{"title":"100 Pk","offer_id":67653508432102,"sku":"SDCFC8X580","price":2183.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0398\/5188\/4705\/files\/SDCFC8X580-R25_00707392029199_Product_Photo_03.jpg?v=1791499543","url":"https:\/\/factorydirectsupply.com\/products\/simpson-strong-drive-sdcfc-timber-cfc-screw-0-315-in-x-22-7-8-in-t40-e-coat","provider":"Factory Direct Supply","version":"1.0","type":"link"}