1. T segmented core drill bits
2. 5/8“-11 or M14 for polishers and angle grinders
3. Max. Speed is 4500 RPM
4. Use water to cool down the bits are to extend their service life
5. Dry working condition can be done
6. Size: 28 to 90mm
Price Terms︰ FOB Shanghai
Packing︰ Export standard
