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 shank, medium-fine grit and are made of stainless steel on which diamond particles have been electroplated.
Please note that 3mm shanks will not fit in most quick change handpieces.
Diameter: 4.0mm
Shank Size: 3mm