Diamond Drill Bit 40mm,BRSCHNITT 1pc M14 Vacuum Brazed Tip For Tile Porcelain Stoneware Ceramic Marble Granite Drilling,Suitable Angle Grinders

【Advanced Vacuum Brazed Technology & Wide Applications】Crafted using premium vacuum-brazed manufacturing that securely bonds high-grade diamond particles to the steel core. Expertly engineered for effortless dry or wet drilling through porcelain tile, ceramic, hard stoneware, bathroom tile, marble, granite, natural stone, quartz, brick, and masonry with exceptional efficiency. 【Clean, Smooth & Chip-Free Cutting】Engineered with an optimized U-groove tooth profile for rapid chip evacuation and high sharpness. It allows you to drill smooth, clean holes through extremely hard materials with zero edge chipping or cracking. 【Built-In Wax Cooling System】Designed with internal wax lubrication inside the diameter bits. The wax melts naturally during dry operation for internal thermal management, though utilizing water as a coolant will further maximize tool longevity. 【Universal M14 Threaded Compatibility】Features a standard M14 internal thread that seamlessly connects to a wide variety of standard power tool spindles from leading global brands, ensuring quick, stable, and secure mounting during heavy-duty tasks.