R4 Multi-Purpose Screws GRK R4 Multi-Purpose Screws are perfect for framing & decking. Designed with a self countersinking bugle head, the teeth under the head clear away debris for a nice, clean set with no cracks or splits. GRK R4 Multi-Purpose Screws: Climatek Coated Hardened Steel For Corrosion Resistance Code Approved For Treated Lumber Available In #12/14 Diameters In Various Lengths 1000pc Bulk Carton #12/14 R4 Screws Use T25 Bit Bugle Head With Cutting Teeth For Clean Countersinking CEE Thread Enlarges Hole, Reducing Drive Torque W-Cut Thread Designed For Low Torque & Faster Drive Sharp Fast Bite For Fast, Clean Starts Without Pre-Drilling GRK Limited Lifetime Warranty
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