Hitachi 729412 Diamond Grit Glass and Tile Hole Saw, 1-3/8"
- The 1-3/8-Inch diamond grit drill bit will drill through glass, marble, class 5 porcelain, granite and slate
- Outperforms the standard carbide glas and tile bits on the market today, both in speed of drilling and the number of holes that can be drilled per bit
- These bits feature raised lips with diamond grit particles that are uniquely sintered in place allowing the diamonds to adhere to the bit
- The Hitachi diamond grit drill bit bodies are constructed of hardened and tempered thin wall alloy steel