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drill depth interlocking kelly bar
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32T 700mm Diameter Crawler Kelly Bar Hydraulic Rock Helical Pile Rig Product description 1. USA powerful Cummins engine. 2. GB certification and EU EN ...
2025-08-04 00:13:28
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.... 2.Teeth Custom : equiped different teeth, like bullet teeth, flat teeth according to different working condition; 3.Kelly Box Custom : custom ...
2025-08-04 00:13:28
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