{"product_id":"grk-r4-8-x-1-1-4in-screws-1300ct-multi-purpose-wood-fasteners","title":"GRK R4 8 x 1-1\/4in Screws 1300CT - Multi-Purpose Wood Fasteners","description":"\u003cp\u003eIn this review the GRK R4 8 x 1-1\/4in screws are evaluated as a practical choice for carpenters, remodelers, and serious DIYers who need a reliable wood-to-wood fastener. The bottom line: these screws stand out for their self-tapping, self-countersinking design that usually eliminates pre-drilling and produces clean countersinks, making installation faster and neater. For anyone fitting trim, decking, or interior and exterior framing where speed and clean finish matter, this pack of 1300 offers clear value.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-tapping Zip-Tip:\u003c\/strong\u003e Cuts its own path into wood and many composites so pre-drilling is not normally required, speeding up repetitive work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-countersinking head:\u003c\/strong\u003e The underhead cutting teeth and pockets remove drill dust and produce a clean, flush finish without damaged fibers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar Drive Recess:\u003c\/strong\u003e The star drive reduces cam-out and strip, allowing higher torque transfer and fewer ruined heads during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultipurpose use:\u003c\/strong\u003e Works in wood, particle board, plastic, sheet metal, cement fiberboard and composite decking, making it versatile on mixed-material jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge pack size:\u003c\/strong\u003e The 1300 count supply reduces trips to reorder and is well suited to larger projects or frequent use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe GRK R4 8 x 1-1\/4in is best for professional contractors and serious DIYers who frequently assemble or repair wood structures and want to cut time spent pre-drilling and countersinking. It suits interior and exterior framing, trim installation, and jobs with mixed materials like decking and composite panels.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who need corrosion-resistant stainless finishes in marine environments or who require specialized lengths or head styles not available in this size and pack; some applications still benefit from pilot holes for brittle materials.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality screw heads and star drive reduce stripping and make driving easier under torque.\u003c\/li\u003e\n\u003cli\u003eZip-Tip and underhead cutting teeth typically remove the need for pre-drilling, saving time on repetitive tasks.\u003c\/li\u003e\n\u003cli\u003eVersatile in a range of substrates including wood, plastic, and composite decking.\u003c\/li\u003e\n\u003cli\u003eLarge 1300 count is economical for long projects or frequent use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed feedback on ultimate strength in heavy structural applications, so assess load requirements before use.\u003c\/li\u003e\n\u003cli\u003eNot all sizes are offered in stainless finish here, so corrosion-critical jobs may need different variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGRK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eR4 multi-purpose screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e8 x 1-1\/4in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCount\u003c\/td\u003e\n\u003ctd\u003e1300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003eStar Drive recess\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKey features\u003c\/td\u003e\n\u003ctd\u003eZip-Tip, self-countersinking underhead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended use\u003c\/td\u003e\n\u003ctd\u003eWood to wood framing, interior and exterior use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GRK R4 8 x 1-1\/4in screws are a solid value for users who need fast, clean fastening across common building materials; the Zip-Tip and self-countersinking head save time and produce neat results. Purchase this pack if you prioritize installation speed and a large supply, but consider stainless options for prolonged exposure to corrosive conditions.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo these screws require pre-drilling?\u003c\/strong\u003e\u003cbr\u003eIn most wood and composite applications the Zip-Tip self-tapping design eliminates the need for pre-drilling, though very hard or brittle materials may still benefit from a pilot hole.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan they be used outdoors?\u003c\/strong\u003e\u003cbr\u003eYes, the screws are intended for interior and exterior use, but select stainless options if long-term corrosion resistance is critical.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the star drive reduce stripping?\u003c\/strong\u003e\u003cbr\u003eYes, the Star Drive recess provides better torque engagement and reduces the risk of stripping compared with slotted heads.\u003c\/p\u003e","brand":"GRK","offers":[{"title":"Default Title","offer_id":48187710505179,"sku":"B001SFGRL2","price":63.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61l3tqjuOlL._SL1500_461d3ebf-1502-4c29-b96d-78176126d6de.jpg?v=1769518398","url":"https:\/\/gearmusthave.com\/products\/grk-r4-8-x-1-1-4in-screws-1300ct-multi-purpose-wood-fasteners","provider":"GearMustHave","version":"1.0","type":"link"}