4-12mm Cross Hex Tile Drill Bits Set For Glass Ceramic Concrete Hole Opener Brick Hard Alloy Triangle Bit Tool Kit

The ordinary drill bit is easy to damage tile, glass, and other materials when drilling!The four-edge cross bit has a concentrated stress point and can drill faster and more accurately without damaging the material.Description: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.Use details not to be ignored:1. The following materials can be directly dry drilled:iron / copper / aluminum alloy / wood / plastic / glazed brick / antique brick / concrete / bubble brick / red brick, etc.2. When drilling continuously, add water to cool it to avoid the bricks from burning:ceramic tile/vitrified brick/glass/marble, etc.SPECIFICATIONMaterial: AlloyBit Type: Tile & Glass Drill BitDrill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mmNOTEPlease allow slight measurement deviation due to manual measurement.Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures.