The Milwaukee Glass and Tile Drill Bit features an exact start tip for clean holes and minimal bit walking in glass and ceramic tile. Engineered with sharpened carbide, Milwaukee Glass and Tile Bits provide faster tile drilling than standard glass and tile bits. They're specifically designed for drilling holes in glass and ceramic tile with drill-drivers only. These drill bits are not recommended for use on porcelain tile. The SHOCKWAVE 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 Milwaukee 5-Piece SHOCKWAVE Carbide Hammer Drill Bit Kit uses sharpened carbide to deliver up to 5x longer life in concrete and up to 2x faster drilling into masonry materials. The Milwaukee 4-Piece Tile and Natural Stone Drill Bit Set delivers up to 2X life in granite, stone, ceramic tile and glass. These bits are designed for use in hammer mode, providing faster drilling speeds when drilling into natural stone tiles, like granite and marble.