Dry Diamond Core Drill Bits Sintered Diamond Hole Opener Drill Bit For Marble Granite Ceramic Tile Etc

FEATURES AND ADVANTAGES:

1.Designed for drilling granite and concrete,use dry drills.

2.5/8"-11 thread fits on polishers/ grinders.

3.Tight thread, easy installation, special specifications for angle grinder.

4.Can be installed in angle grinder quickly and firmly and prevent bits from slipping.

5.Recomended speed 2000- 4000 RPM.