
High Quality Material: Made of high quality alloy steel, very smooth and precise for drilling ceramic tile, marble, mirror, glass, aluminum, concrete and wood. 【Size】 Tip Diameter: 6mm, spear point design reduces splintering. Total Length: 70mm; Shank Diameter: 3/16"; Shank Length: 55mm. Wide Range of Use: Great choice for drilling ceramic tiles, glass, marble, and mirrors. If drilling hard materials, please add water for lubrication, good cooling can extend the life of the drill bit set. Tungsten Carbide Tip: The 6mm glass and tile drill bit features a tungsten carbide tip for efficiency and extended life. It is sharp, easy to locate, stable drilling, fast speed, does not break the edge, neat opening, smooth. Set Includes: The drill bit set includes 10 pieces drill bits 6mm glass and tile adhesive, all packed in a plastic storage box, very easy to carry. Ideal for DIY, home, general construction / engineering.