Milwaukee Shockwave Carbide Multi-Material Drill Bits are the most versatile bits, designed to tackle a variety of materials, including brick, block, concrete, tile, wood, aluminum, PVC (polyvinyl chloride), steel, and more. 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 In. hex shank, these general-purpose drill bits are compatible with impacts, drill/drivers, and hammer drills. Use in hammer mode for faster drilling in masonry and concrete. Ideal for drilling through layered materials. These Milwaukee drill bits provide the ideal all-in-one solution for the widest variety of materials, tools, and applications. Not recommended for porcelain tile.