GRK R4 Multi-Purpose Framing and Decking screw

R4 Multi-Purpose Framing and Decking screws provide a faster drive for improved productivity. Fast bite tip eliminates pre-drilling and provides a fast start for one step installation W-CutTM low installation torque allows for fast driving and ease of install Precision Fit between R4 Multi-Purpose screws and GRK bits reduces wobble and improves productivity For use in wood, particle-board, plastic, sheet metal, cement fiber board, wood decking, composite decking, and melamine ESR-3201 approved for structural applications