The Stanley drill bit is used in conjunction with drills. They have a carbide tip that ensures durability. The shank of the tooling is securely fixed in the tool holder and is used for efficient drilling of tiles and glass. With its ultra sharp cutting edges, this drill bit effortlessly creates clean, smooth holes without chipping or cracking the fragile surface. Features & Benefits • Pointed carbide tip drills on contact for precise drilling • For use with corded and cordless drills • For use on ceramic tiles, glazed tiles, and non-toughened glass Specifications • Diameter: 8mm • Product Length: 83mm • Head Type: Tungsten Carbide • Shank: Round