The core bits is designed for drilling hard granite, marble, engineering stone, concrete, brick. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities
Diameter: 18MM, Total length: 100MM, Thread: 5/8-11
High-Quality Diamond and Stong Steel Body extend drilling life and improve the working efficiency
Laser welded technology avoid segments off when dry working, provide stable drilling
Dry or Wet Drilling on Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank
