rock drill threaded rod, rock drill threaded rod Suppliers ...
Threaded Rock Drill Tools Rods Pipe R22, R25, R28, R32, R38, T38, T45, T51Up to 5 years warranty. US $90.00 Piece. 1 Piece (Min Order) 9 YRS Glorytek Industry (beijing) Co., Ltd. 5.0 ( 1) 'Great service'. Contact Supplier. Compare. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down ...
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