10Pcs/Set Diamond Drill Bit Set 6-30Mm Diamond Coated Core Hole Saw Drill Bits Silver
- Capable of drilling into extremely hard materials such as marble, slate, glass, tile, stone and many more.
- The material needs only water for lubrication.
- Can be used with a standard drill.
- Align the place to be drilled, make a circular trace, then drill.
- Excellent for making clean and accurate holes.
- Good Performance and long life.
