The MILWAUKEE 1/4 SHOCKWAVE Impact Duty Carbide Multi-Material Drill Bits 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. Equipped with a 1/4 hex shank, these multi-purpose drill bits are compatible with impacts, drill/drivers, and hammer drills. These Milwaukee general-purpose drill bits provide the ideal all-in-one solution for the widest variety of materials, tools, and applications.