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
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
Easily operate on Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank
The drilling Bits sets are used for Dry/wet drilling porcelain tile, granite, marble, brick and all similar material.The boxed set can solve most of the daily needs
