2-1/2'(65mm) 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.
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
Application: The core bit set is designed for Drilling a hole or Milling Bevelling, Enlarging, Grinding to porcelain tiles, ceramics, marble, granite, etc., one set can meet almost needs in daily life.
