... 126,127,136,137,216,217,316,317,346,347RPM(r/min)140~60WOB(KN/mm)0.35~1.0Thread Connection7 ... Supplies all kinds of PDC coring and non-coring bits, PDC sintering matrix bits and PDC anchoring bit. We also can design ... PDC bits according to customer requirements, such as different geology condition, ... best quality with the most competitive price! three cone bits