【Application】Widely use for dry and wet drilling/beveling/enlarging/shaping holes in porcelain tile ceramic marble granite, stoneware, quartz
【High Performance】Advanced vacuum brazed technologuy and high-quality diamond grain imporve the performance and lifetime
【Unique Detail】The inside of 6-10mm drill bits are filled with cooling wax helpful for cooling and lubrication. The design of the U-groove tooth above 20mm is sharper, facilitating the discharge of debris
【Recommended Machine】Suitable for M14 thread angle grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use Adapter in the package. Minimum RPM: 2000; Faster the RPM, Longer the Working Life