... Suitable for medium to medium-hard formation. PDC bit, diamond bit, PDC core bit, PDC bits1. Circular arc brown, standard PDC ... ,Outer DiameterInner DiameterThread ConnectionPDC cutterDrilling formation(PDC flat face non-core bit)Detailed Product Description PDC material cutters supper ... 65,75,94,113,133,153PDC bit,diamond bit,flat face non-coring PDC bit,PDC Concave Bit,PDC bits1.Different grades PDC ...