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 in.) shank, medium-fine grit and are made of stainless steel on which diamond particles have been electroplated.
- 4.00 millimeters in diameter
- 3 millimeter (1/8 inch) shank
- Medium-fine grit
Diamond drill bits are designed to be used at 5,000-15,000 rpms for best results.
Always use a lubricant or water when working with diamond coated instruments
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