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Api Standard Dth Drill Pipe 76mm 2meters Oilfield Oil Well Drilling Dth Drill Rod
Category：T51 Thread Button Bit
Wuhan, China
DTH Tools API Drill Pipe Coupling Pin Box Sub Adaptor for Water Well Drill Pipe Tool Joints
Product Item：1003 Category：DTH pipe We can supply 2 3/8",2 7/8", 3 1/2", 4 1/2", 6 5/8", 7 5/8" etc. Adaptors, API REG, IF, are all available.
Wuhan, China