【Application】Widely use for dry drilling/beveling/enlarging/shaping holes in porcelain ceramic tile marble granite, stoneware, quartz
【Technology】Vacuum Brazed technology provides high efficient working performance, faster drilling speed and longer service life
【Features】The inside of 6-10mm drill bits are filled with cooling wax, keep the bits cool and lubricated for dry drilling. The design of the U-groove tooth shape above 20mm is sharper, facilitating the discharge of debris
【Recommended Machine】The drill bits are suitable for 5/8-11 thread angle grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use SDS Adapter in the package. Minimum RPM: 2000; Faster the RPM, Longer the Working Life