Diamond Drill Bit 40mm Diamond Hole Saw for Ceramic Porcelain Marble Granite M14 Thread SANLEETEK

• 【Specifications】Diameter 40mm, Total Length 60mm, Diamond Height 10mm, Diamond Grit: #35/40, M14 Thread
• 【Application】Designed for dry and wet drilling hard porcelain tile, ceramic tile, granite, marble, etc. Adding water could prolong the service life
• 【High Performance】Vacuum welding technology and high-quality diamond grains provide high working performance, higher drilling speed and longer service life.
• 【Unique Detail】The tooth shape design of the U-groove above 20mm is sharper, which facilitates the discharge of waste
• 【Recommended Machine】Suitable for M14 thread angle grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to install the drill bits on the drilling machine, you need an adapter.