Brand new and high quality Material: Carbide Alloy Bit Type: Tile & Glass Drill Bit Coated: Titanium Drill diameter: 6mm/ 8mm / 10mm / 12mm Shank diameter: 6.35mm hexagonal shank Quantity: 1pc Features: 1. It has strong toughness and wear resistance 2. Incision resistance are small, increase the opening speed, long service life 3. Industrial grade Coated Carbide Point with 4 Cutting edges 4. Can be installed in the hand drill, electric drill 5. Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole Notice: 1. The real color of the item may be slightly different from the pictures shown on the website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Thank for your understanding. 3. 1cm=0.39''.