GRK Fasteners R4™ 305 Stainless Steel #10 x 3-1/8 Inch Outdoor Screws, 210 PCS, Extreme Corrosion Resistant, Coastal Structures, Fast Bite Tip, Star Drive Recess, T-25 Bit Included, Steel

GRK 61637

•Professional-Grade Multi-Purpose Construction Screw: Code-approved fastener (ESR-3201) for structural framing, decking, fencing, and interior/exterior applications
•Superior Installation Speed: Features Fast Bite Tip and Zip-Tip™ self tapping technology that eliminates pre-drilling, while W-Cut™ coarse thread design ensures low-torque, faster driving
•Coastal Grade: Rust resistant stainless steel provides extra durability for high moisture environments such as pool decking, docks, boardwalks, etc.
•Precision Engineering: Star/Torx drive recess with 6 points of contact prevents stripping, while CEE Thread™ technology reduces wood splitting
•Professional Quality: Precision-fit design minimizes wobble between screws and bits, increasing productivity and ensuring reliable performance every time

GRK 61637

The GRK R4 Multi-Purpose Wood Screw is a professional-grade structural fastener designed for framing, decking, and construction projects. These premium screws deliver superior performance in both interior and exterior applications, including deck building, fencing, and general carpentry. GRK’s stainless steel screws, provide superior corrosion resistance, making these construction screws ideal for applications exposed to corrosive environments. Use 305 stainless steel screws for applications such as pool decking, docks, boardwalks, and lake piers. Use 316 stainless screws for environments with high exposure to chlorides, such as de-icing salts, and applications near the coast. The patented Fast Bite Tip and Zip-Tip™ technology eliminates the need for pilot holes, while the W-Cut™ design ensures smooth, low-torque driving in all wood types. ICC-ES ESR-3201 approved for structural applications, these self-drilling screws are trusted by professional builders and DIYers alike. The star drive head with 6-points of contact prevents cam outs and head stripping, making these wood screws the choice for demanding construction and home improvement projects.