Features Premium Material: Made from premium boart material to ensure exceptional hardness and durability, providing long-lasting performance. High Torsion: Offers high torsion for superior cutting strength and precision, making it ideal for tough materials like glass and ceramic tiles. Fast Drilling Speed: Enables fast drilling with round and clean holes, delivering high efficiency and professional results. Wide Application: Versatile design suitable for various materials such as glass, ceramic tile, stone, floor tile, and marble, making it a valuable addition to any toolkit. Service Life Extension: Remember to add water when working on glass or ceramics to extend the drill bits' service life, ensuring long-term usability. Features: 1、Premium Material: These glass drill bit are made from premium boart material, which ensures hardness and durability. 2、High Torsion: These glass drill bits provides high torsion to achieve excellent cutting strength and performance. 3、High Efficiency: The drilling speed is fast, the hole is round and there is no breach, providing high efficiency. 4、Wide Application: These glass drill bits can be used for glass, ceramic tile, stone, floor tile, marble and so on. 5、Please Notice: Please keep adding water when the drill bits are working on the glass or ceramics, which can extend the service life. Specification: Item Type: Glass Drill Bit Material: Boart Opening Diameter: Approx. 12mm / 0.47in Handle Shape: Round Handle Application: Glass, Ceramic Tile, Stone, Floor Tile, Marble, Etc Package List: 10 x Glass Drill Bit Package List 10 x Glass Drill Bit