1-4in Core Diamond Drill Bit
For use on glass, ceramic wall tile, glass block, glass bottles, and jewelry. For drilling in both flat and contoured surfaces. Diamond-impregnated cutting bit. Diamond grit around the circumference of the bit allows it to rasp a larger hole if needed. Holes on the side of the bit allow the removal of material. Includes cutting oil and instructions.
- GLASS DRILLING BIT
- Size In=1/4