Diamond Tile Drill Bits 5pcs 10mm SANLEETEK Vacuum Brazed Hole Saw for Ceramic Porcelain Marble Granite M14 Thread

【SpecIfications】Diameter 10mm, Total length 60mm, Diamond height 10mm, Diamond Grit: #35/40, M14 Thread 【Application】For dry and wet drilling porcelain tile, ceramic tile, granite, marble, etc. Add water can prolong the lifetime 【High Performance】Advanced vacuum brazed technology and high-quality diamond provide high efficiency and long life 【Unique Detail】The inside of 6-10mm drill bits are filled with cooling wax helpful for cooling and lubrication. 【Recommended Machine】Fits on M14 thread angle grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to install the bits on the drill machine, you need an adapter.