35mm diamond core drills for stone, best diamond core drill bits.
1. Outer diameter: 35mm.
2. Inner diameter: 23mm.
3. Segment type: Crown Type.
4. Connector Type: 1/2"BSP
5. Length: 200mm or 250mm.
6. Used with core drilling machines or hand machines.
7. Quick, smooth and accurate coring with professional results.