crown diamond core bit

crown diamond core bit special design for smaller diameters. Can provide more stronger drilling for smaller holes, not easy to get drop off of the segment. Only available for brazing way so far. Can provide excellent drilling performance on reinforced concrete. Precise processing, perfect surface treatment, very good segment can provide a better drilling. All the segment are made from exported German made diamond powder, sintered by Italy Arga sintering machine, we could provide a better working solution according to different working condition. Can drill on brick, soft concrete, reinforced concrete with aggregate containsgranite, marble, limestone, sandstone, quartz, etc. Different working length is available. Also dry core bit set is avaiable.