The GRK R4 self-tapping flat head screw with the amazing no-slip Star Drive head design features a countersinking head, great for use in wood, particle board, cement fiberboard, plastic and more. The W-cut thread design acts like a saw blade and the Zip-Tip means fast starts and no pre-drilling. Available in multiple screw sizes and lengths and feature Climatek corrosion protection. Get a grip with Star Drive.
W-Cut thread design acts like a saw blade,cutting through fibrous materials with ease
Zip-Tip is designed for fast starts, no pre-drilling
Features CEE thread which slightly enlarges the hole for screw shank. Eliminates pre-drilling and reduces friction
ClimatekTM corrosion protection exceeds AC257 standard (interior / exterior use)
Use Red tip for #6 & #8 screws and Green tip for #9, #10 & #12/14 screws
Shipping :All orders are shipped in 24 business hours