Tile Drill Bit, Tile Drill Bit, Glass Drill Bit, Tile Drill Bit, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, Drill Bit for Drilling Glass, Strong Ceramic Tile Drill Bit, Glass Drill Bits, Ceramic Tile Drilling [Glass Drill Bit] tile drill bit set of 10 pieces. Ceramic Drill Bit with Hex Shank, Package Content: 1x 3mm, 1x 4mm, 2x 5mm, 2x 6mm, 2x 8mm, 1x 10mm, 1x 12mm [Glass Drill Bit]: Tile drill bit with double spiral design can quickly remove chips while effectively preventing chips from stagnating, increasing efficiency during high-speed operations and fast chip removal, temperature resistant for efficient and clean drilling. [Glass Drill Bit Applicable Materials]: This drill can be used to drill holes in glass, wall, concrete, iron, brick, marble, wood, etc.