HPMAISON Tile Drill Glass Drill Set, 7-Piece

High-quality material: carbide tipped alloy head material with stronger hardness. Carbide drill bits are built for durability and stay sharp much longer than traditional steel drills.
�U-type slot design �U type slot design with fast drilling dust removal, triangular handle design, stable operation.
Wide range of applications: The pointed design of the strong tungsten carbide tip can easily penetrate various materials (porcelain ceramic tiles, glass, mirror, plastic masonry and wood). If you use the drill bits to drill concrete, brick wall and other hard materials (glass, porcelain floor tiles, marble or granite), please use water for lubrication.
7 different sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm. 3 flat shank, these drill bits for glass perfectly match various drilling tasks, high drilling accuracy. Rotating thread design, drilling and chip removal smoothly.
�Premium Performance �Spear pointed design, this strong tungsten carbide drill bit is sharp, easy to locate, drill stably, fast speed, does not break the limit, opens neatly, smooth. The 3-flat shaft ensures that you can hold it firmly without slipping and scratching, will not damage the tile glaze.