Milwaukee SHOCKWAVE™ 5/16" Carbide Multi-Material Drill Bit is designed to handle a wide range of materials including brick, block, concrete, steel, aluminum, ceramic tile, backer board, wood, PVC, and drywall. Its tip features aggressive, multi-grind carbide that provides up to 85% faster drilling speeds in metal d to standard masonry drill bits. This versatile bit is built with a 1/4" hex shank, making it compatible with impact drivers, drill/drivers, and hammer drills. While it excels at drilling through layered materials, it is not for use on porcelain tile. Model Number: 48-20-8888