5pcs Shank Hexagonal Cross Carbide Glass Drill Bit for Tile/BrickOOTDTYComs: ● This glass attachment is made of cemented carbide, which has very good wear resistance and very high hardness, and has a longer service life. The surface of the titanium coating is oxidation-resistant and does not fade.● 5 different sizes of glass drill bits: 4mm, 5mm, 6mm, 8mm, 10mm, which are perfectly suited for different tasks.● The cutting resistance is small, the drilling is stable, the speed is fast, and the edge is not broken. The hole is neat, smooth, no broken edges, no shaking, and not easy to break.● Professional glass and tile drill bits can perform smooth and accurate drilling on tile, marble, porcelain, mirrors and glass.● Note: To increase the service life, it is best to add some coolant such as water, kerosene or turpentine when drilling to avoid burns and scraps at high temperature. Do not use shock mode. Specification: Material: Carbide Package Includes: 5pcs x Drill BitsNote: 1. Please allow 1-2mm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.