Laser Welded Diamond Dry Drilling 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
1pc, Diameter: 25mm(1 inch), Total length: 100MM, Thread: 5/8 inch-11. Dry or Wet Drilling - use wet will greatly prolong the segment life
High-Quality Diamond and Stong Steel Body extend drilling life and improve the working efficiency
Laser welded technology improve the performance of segments,avoid segments off during drilling process.The vacuum brazing protective layer on the surface of the core steel offers clean cut & steel core protection
Easily operate on Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank
