Features High Drilling Speed: The sharp cutting edge ensures rapid drilling, resulting in neat and smooth opening holes with minimal effort. Reduced Cutting Resistance: The large chip removal hole design minimizes cutting resistance, making drilling easier and more efficient. Enhanced Wear Resistance: Utilizes a brazed diamond process for increased wear resistance and extended service life, ensuring durability and longevity. erosion Prevention: The paint spraying treatment effectively prevents erosioning, maintaining the drill bit's quality and performance over time. Versatile Application: Suitable for hole opening and coring of marble, stone, wall, ceramic tile, and more, offering versatility for various drilling needs. 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 process for increased wear resistance and service life. 4、Paint spraying treatment prevent the drill bit from erosioning. 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