6MM Diamond Hole Saw Tile Drill Bits Tool for Glass Slate Porcelain Marble
- Set of 10 pieces, hole size is 6mm(1/4").
- Diamond hole saw tile ceramic glass porcelain marble drill..
- Always use lubrication (water), if not the diamond core will over heat amd blunt..
- Use for conventional power drills on the low speed setting with the hammer action disabled..
- These are auiable for drilling ceramic tiles, glass, marble, slate and porcelain tiles up to hardness grade 5..