- The drilling bits is designed for Drilling Porcelain Tile Marble Ceramic Granite Stoneware Quartz Artificial Stone
- #35/40 diamond grain make the hole smooth and clean, and can achieve excellent surface effect
- Lightning Teeth design provides sharper drilling, helps chip removal, longer working life
- The hole saw is easily operate on 5/8″-11 Angle Grinder; Need an adapter for drill or other machine, such as SDS,hex,Round plus shank
- This finger bits is designed for Bevelling, Enlarging, Grinding and Polishing the exsit holes or shaping edge of materials.