111 - 112 of 112
155mm dth bits
Selling leads
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...DTH Hammer Water Well Drilling 1.Description: -API standard, double shoulder joint drill pipe with high torsion resistance. It is mainly applicable ...
2024-12-09 22:49:27
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... equipment or the bottom hole device at the bottom of the drilling well. It is a steel pipe with threaded tail. -The purpose of the drill pipe is ...
2024-12-09 22:49:27
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