GRK Fasteners R4™ Multi-Purpose 305 Stainless Steel Screw (#10 x 2-1/2" 100 Count)

Corrosion resistance for high moisture environments GRK’s R4™ Multi-Purpose 305 stainless steel screws are designed for applications that require superior corrosion resistance in exterior environments with high moisture content such as docks, boardwalks, and piers on lakes. Recommended for use with cedar, redwood and other naturally protected wood species that have a higher acid content. R4 305 stainless steel screws are recommended for applications located more than 1 mile from the coast. Zip-Tip™: Eliminates pre-drilling W-Cut™: Low torque, faster drive CEE Thread™: Enlarges hole to reduce splitting Star Drive Recess: Zero stripping, with 6 points of contact. *Not available in all sizes. Reference tables below. Features Fast Bite Tip Provides a fast start GRK’s Star Drive Recess Provides 6 points of contact for zero stripping W-Cut™ Low torque and smoother drive reduce splitting Additional Features 305 Stainless steel for superior strength and corrosion resistance CEE Thread™ Enlarges hole to reduce splitting Underhead cutting teeth for flush seating