You can use core drills to cut holes in ceramic, tile and glass without chipping or cracking. Our diamond-coated core drills have a 3mm (1/8") shank, medium-fine grit and are made of stainless steel on which diamond particles have been electroplated. Measurements for each drill are the outside diameter of the cutting portion of the drill. Sold per drill (each).
- Diamond coated core drills
- Medium-fine grit
- 3mm / 1/8" inch shank size
- Sold individually
- Always use water or other lubricant with diamond coated tools