{"product_id":"simpson-strong-tie-strong-drive-sds-heavy-duty-connector-screw-1-4-in-x-4-1-2-in-db-coating-800-pack-sds25412","title":"Simpson Strong-Tie Strong-Drive SDS Heavy-Duty Connector Screw, 1\/4-in. x 4-1\/2-in. DB Coating, 800-Pack (SDS25412)","description":"\u003csection data-aplus\u003e\n\u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"features\"\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/tool-free-change.svg\" alt=\"tool-free-change\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eNo Predrilling\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe Type-17 point starts fast and drives cleanly into wood, so you can install connector screws without stopping to predrill. That saves time and helps reduce splitting in the material.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/drive-size.svg\" alt=\"drive-size\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eBuilt for Connectors\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThis Simpson Strong-Tie heavy-duty connector screw uses a 3\/8 inch hex head with an integrated washer, giving you solid bearing at the connector and positive drive engagement with less cam-out.\u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"card\"\u003e\n        \u003cdiv class=\"card-inside\"\u003e\n          \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eJobsite Corrosion Defense\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe double-barrier coating adds corrosion resistance for exterior wood and connector work. If you are building outdoors or around treated lumber connections, that matters.\u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-overview\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\" data-product-summary\u003e\n    \u003cp\u003eThe \u003cstrong\u003eSimpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw\u003c\/strong\u003e is a high-strength structural wood screw made for connector installations and heavy wood fastening. This is a \u003cstrong\u003eheavy-duty connector screw\u003c\/strong\u003e designed for installing Simpson Strong-Tie connectors and handling demanding wood-to-wood fastening jobs. Model Number: \u003cstrong\u003eSDS25412\u003c\/strong\u003e. For buyers who need a fastener that installs quickly, holds hard, and cuts down on extra steps, this is the kind of screw that earns its keep on the job.\u003c\/p\u003e\n    \u003cp\u003eWhat separates this screw from basic wood screws is how it goes in and what it is built to do once installed. The Type-17 point is there for a reason: it starts easier in wood and helps reduce splitting, which means less prep and smoother installs. Simpson also calls out no predrilling for typical use, so you can move faster when installing hardware, structural connectors, or other heavy-duty assemblies. On repetitive fastening work, that time savings adds up fast.\u003c\/p\u003e\n    \u003cp\u003eThe drive and head design are just as important. This SDS25412 uses a 3\/8 inch hex drive and a hex head with a 0.500 inch integrated washer. In plain terms, that gives you strong bit engagement and a broader bearing surface at the connection point. That matters when you are seating connectors cleanly and want steady pull-down without fighting stripped recesses or weak head contact. It is a practical setup for installers who would rather keep working than babysit every fastener.\u003c\/p\u003e\n    \u003cp\u003eThe thread design is meant for real structural fastening, not light trim work. Serrated threads help the screw cut and drive more efficiently, while the 4-1\/2 inch overall length and 2-3\/4 inch thread length give it the reach needed for thicker assemblies and connector applications. This specific SDS25412 version uses Simpson's double-barrier coating, which gives it corrosion resistance for exterior wood screw use where exposure is part of the job.\u003c\/p\u003e\n    \u003cp\u003eFrom a jobsite standpoint, this screw is straightforward to install with common equipment, but the right setup matters. Simpson recommends a low-speed 1\/2 inch drill with a 3\/8 inch hex driver. That tells you exactly how the product is meant to be used: controlled driving, strong torque transfer, and consistent seating in heavy framing or connector hardware. If you are installing structural connectors, concealed ties, joist hardware, or similar assemblies, that practical guidance is worth paying attention to.\u003c\/p\u003e\n    \u003cp\u003eCompatibility is another reason pros buy SDS screws instead of grabbing generic lag alternatives. This fastener is intended for \u003cstrong\u003eheavy-duty Simpson Strong-Tie connectors\u003c\/strong\u003e, and the head is stamped for identification after installation. That helps during inspection, punch lists, and service work because the installed fastener is easier to verify. Simpson also lists replacement driver bit \u003cstrong\u003eBITHEXR38-R1\u003c\/strong\u003e, which is useful if you keep dedicated hardware drivers in rotation.\u003c\/p\u003e\n    \u003cp\u003eWho is this for? Carpenters, deck builders, framers, remodelers, and contractors installing structural hardware in wood. It also makes sense for serious DIY users working on code-conscious outdoor structures or reinforcement projects where a standard wood screw is not enough. If you need a structural screw for connector fastening, exterior wood assemblies, or engineered wood applications, the Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw is built for exactly that lane.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eFaster Structural Fastening\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/hzlr7w8cxn\/jpeg\/F_SDS_InstPho_Pho_Inst_SDS-HeavyDutyConnectorScrew-Deck-wDrill_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw being driven into a deck framing connection with a drill during exterior wood fastening\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eWhen you are fastening hardware or structural members, the big win here is fewer extra steps. The point starts cleanly, the hex head drives positively, and the screw is built to go in without typical predrilling.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eType-17 point helps the screw start easier in wood\u003c\/li\u003e\n          \u003cli\u003eSimpson recommends a low-speed 1\/2 inch drill with a 3\/8 inch hex driver\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n  \u003csummary\u003e\u003ch2\u003eMade for Connector Hardware\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/3nemrgjlhb\/jpeg\/C_CJTZ-SDS_InstPho_Pho_Inst_ConcealedJoistTie-HeavyDutyConnectorScrew_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw installed in a concealed joist tie on framing lumber during connector fastening\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis screw is not pretending to be a structural fastener. It is specifically aimed at connector installs, which is why the head, washer, and drive style are all set up for that kind of work.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e3\/8 inch hex drive gives solid engagement during installation\u003c\/li\u003e\n          \u003cli\u003eHex head uses a 0.500 inch integrated washer for better bearing at the connection\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt for Exterior Wood Work\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/xu7colmagv\/jpeg\/F_SDS-HDG_InstPho_Pho_Instld_SDS-HeavyDutyConnectorScrew-HoseReel_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw securing exterior hardware to a wood wall in an outdoor application\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eFor outdoor projects and exposed wood assemblies, coating matters. This SDS25412 version uses Simpson's double-barrier coating, making it a better fit for exterior connector and wood fastening than plain interior-use screws.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eDouble-barrier coating is used on this SDS25412 model\u003c\/li\u003e\n          \u003cli\u003eIdeal for exterior wood screw applications where corrosion resistance matters\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits-4\" class=\"acc flip\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCleaner Verification After Installation\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"row\"\u003e\n      \u003cdiv class=\"img\"\u003e\n        \u003cimg src=\"https:\/\/ssttoolbox.widen.net\/content\/4sxxegvwap\/jpeg\/C_OHU-SDS_InstPho_Pho_Instld_OrnamentalJoistHanger_C0.jpeg?position=c\u0026amp;color=ffffffff\u0026amp;u=cjmyin\" alt=\"Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw installed in an ornamental joist hanger on wood framing for finished structural hardware\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eSmall detail, but a useful one: the head is stamped with the Simpson Strong-Tie mark and fastener length. That makes post-install identification easier when someone needs to confirm what was used.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eStamped head helps with fastener identification after installation\u003c\/li\u003e\n          \u003cli\u003eUseful for inspection, maintenance, and matching existing hardware later\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tnincluded-wrapper\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e(800) Simpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screws\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"included-note\"\u003e\n      \u003cp\u003eReplacement driver bit BITHEXR38-R1 is available separately.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n  \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003ctable class=\"aplusspecs\"\u003e\n      \u003ctr\u003e\n        \u003cth\u003eLength\u003c\/th\u003e\n        \u003ctd\u003e4-1\/2 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eShank Diameter\u003c\/th\u003e\n        \u003ctd\u003e0.235 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eDrive Type\u003c\/th\u003e\n        \u003ctd\u003e3\/8 in. Hex\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eHead Type\u003c\/th\u003e\n        \u003ctd\u003eHex Head with 0.500 in. Integrated Washer\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eThread Type\u003c\/th\u003e\n        \u003ctd\u003eSerrated Threads\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eThread Length\u003c\/th\u003e\n        \u003ctd\u003e2-3\/4 in.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePoint Type\u003c\/th\u003e\n        \u003ctd\u003eType-17 Point\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePackaging Quantity\u003c\/th\u003e\n        \u003ctd\u003e800\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"compat-list\"\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eConnector Use\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eDesigned for heavy-duty Simpson Strong-Tie connectors.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eDriver Interface\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eUses a 3\/8 inch hex driver for installation.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eReplacement Driver Bit\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eReplacement bit model: BITHEXR38-R1.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tags\"\u003e\n      \u003cspan class=\"tag\"\u003eCarpentry\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDeck Building\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eFraming\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eGeneral Contracting\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eRemodeling\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eExterior Wood Fastening\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eConnector Installation\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eDIY \/ Hobbyist\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eRun these with a low-speed 1\/2 inch drill and a clean 3\/8 inch hex driver instead of spinning them in too fast. You will get better control, cleaner seating at the connector, and less chance of overdriving the washer head.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n    \u003ch3\u003eSimpson Strong-Tie SDS25412 Strong-Drive SDS Heavy-Duty Connector Screw is the right answer when regular wood screws are out of their depth\u003c\/h3\u003e\n    \u003cp\u003eThis is the kind of structural fastener you buy when you want connector installs to go faster and look right when they are done.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Contractors, deck builders, framers, and serious DIY users installing structural hardware or heavy wood connections.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e No-prep Type-17 starting point, hex head with integrated washer, and a design aimed specifically at Simpson connector work.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This SDS25412 variant is the bulk pack quantity, so it makes the most sense if you are doing repeated installs, not just one or two repairs.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDoes this screw require predrilling?\u003c\/strong\u003e Simpson states the Type-17 point enables easy driving with no predrilling.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat tool is recommended for installation?\u003c\/strong\u003e Simpson recommends a low-speed 1\/2 inch drill with a 3\/8 inch hex driver.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat kind of applications is this screw intended for?\u003c\/strong\u003e It is intended for heavy-duty Simpson Strong-Tie connector installations and can also be used for wood-to-wood and engineered wood applications within the SDS product family description.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat coating does the SDS25412 use?\u003c\/strong\u003e This model uses Simpson's double-barrier coating.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e","brand":"Simpson Strong-Tie","offers":[{"title":"Default Title","offer_id":52999307297062,"sku":"SDS25412","price":605.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/SDS25412_00707392174905_Product_Photo_01_b8fe1632-87b1-4086-a467-2459c94f7aed.jpg?v=1779135460","url":"https:\/\/www.toolnut.com\/products\/simpson-strong-tie-strong-drive-sds-heavy-duty-connector-screw-1-4-in-x-4-1-2-in-db-coating-800-pack-sds25412","provider":"Tool Nut","version":"1.0","type":"link"}