Detailed Product DescriptionPDC coring bit 1.Standard PDC cutters. 2. Column diamond gauge protection 3.Suitable for medium to medium-hard formation.PDC bit, diamond bit, PDC core bit, PDC bits1. Circular arc brown, standard PDC cutters are distributed on the blades. 2. Cutters distributed optimized with balance design so that the stability and gain efficiency of drilling largely improved. 3. Column diamond is used in inner and outer gauge as protection, besides that extra PDC cutters are used to enhance gauge protection. Flow room age is optimal designed so that bit can be clean and cooled sufficiently. 4. This series of bits are suitable for medium to medium-hard formation.Please specify the following on enquiry, Outer Diameter Inner Diameter Thread Connection PDC cutter Drilling formation