High Quality 12mm Brazed Diamond Tipped Hole Saw for stone

1) Diameter: 12mm 

2) Diamond grit: #30.#40;

3) Smooth cutting surface and high cutting speed 

4) Suitable for cutting, drilling various hard Non-ferrous material, such as marble and granite glass, ceramic, hard concrete and brick 

5) Special design available upon request.

Application

This diamond drill bit is use for drilling the hole on glass, it can drill about 200 pieces hole per drill bit