【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 design of the U-groove tooth shape is sharper, facilitating the discharge of debris
【Recommended Machine】The bits are suitable for 5/8-11 thread angle grinder. Recommended speed 6000RPM for diameter less than 100mm, 3000RPM for 100mm; maximum speed 11000RPM for diameter less than 100mm, 6000RPM for 100mm. 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