This SHOCKWAVE Impact Duty™ Carbide Multi-Material Drill Bits for Concrete Screws are the most versatile bits, designed to tackle a variety of materials, including brick, block, concrete, steel, aluminum, ceramic tile, backerboard, wood, PVC, and drywall. The aggressive multi-grind carbide tip delivers up to 10X longer life in stacked materials and up to 85% faster drilling speeds in metal. Our bits are designed with an added hex collar, which ensures a consistent hole depth during every concrete screw install. Equipped with a 1/4 in. hex shank, these all-purpose drill bits are compatible with impacts, drill/drivers, and hammer drills. Our SHOCKWAVE Impact Duty™ Carbide Multi-Material Drill Bits for Concrete Screws provide the ideal all-in-one solution for the widest variety of materials, tools, and applications. Optimized for use with our Concrete Screw Installation Sleeve and Kit.