QEP 10571 Porcelain Diamond Drill Bit, 5/16 Inch
The Diamond Hole Saw is fast and efficient when cutting through porcelain, ceramic, marble, granite and even concrete.
- Size: 5/16 inch
- Ideal for cutting 5/16 inch holes, drills through ceramic, glass, marble, porcelain & granite
- Drill guide & water delivery system included
- Use wet only