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Drill Pipe Friction Welding Repair Machine

Drill Pipe Friction Welding Repair Machine
Drill pipe repairing machine is used in grinding upsetting transitional zone (caused by frition-welding) of drill pipe inner bore or excircle surface. HY-6 machine is auto controlled by PLC, compared ...

Drill Pipe Thread Repairing Machine

Drill Pipe Thread Repairing Machine
machine, especially suitable for drill pipe, HWDP drill collar pipe thread repairing, also can do other machining such as: turning excircle surface, inner bore, taper, arc, step, screw, chamfer ...
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