Features Exceptional Cutting Performance - The sharp cutting edge allows for high drilling speed, producing neat and smooth openings in various materials Enhanced Chip Removal - The large chip removal hole design minimizes cutting resistance, making drilling easier and more efficient Superior Wear Resistance - Crafted with brazed diamond technology, this drill bit offers increased durability and a longer service life for extensive projects Corrosion-Resistant Finish - The paint spraying treatment protects the drill bit from rust, ensuring longevity and consistent performance over time Versatile Application - Ideal for hole opening and coring in marble, stone, wall, ceramic tile, and more, making it suitable for various construction tasks Features: 1、Sharp cutting edge ensures high drilling speed, neat and smooth opening hole. 2、Large chip removal hole design reduces cutting resistance for easier drilling. 3、Brazed diamond proc for increased wear resistance and service life. 4、Paint spraying treatment prevent the drill bit from ing. 5、Suitable for hole opening and coring of marble, stone, wall, ceramic tile, etc. Specification: Item Type: Brazed Diamond Drill Bit Material: Diamond Optional Size: 28mm, 30mm, 32mm Female Thread: M14 Applicable Equipment: Angle Grinder Package List: 1 x 30mm Drill Bit Package List 1 x 30mm Drill Bit