43 mm Rh140 PDC Anchor Bolt Drill Bit for Water Well Drilling Sanmeul Drilling Tools Co., Ltd Base Info Model NO.：PDC Anchor Bolt Drill BitType：Impact DrillUsage：Well DrillingCertification：APITransport Package：Plastic Box , Carton BoxSpecification：CastingOrigin：China Description Pre：Grinding Wheel Straight Edge Machine Diamond Grinding Wheel Next：150mm Electroplated CBN Diamond Grinding Wheel for Band Saw Teeth
