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3 1 2 double drill pipe
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...Double Wall RC Drilling Rod Trenchless Double Wall Drill Pipe Product Description Trenchless double wall drill pipe is composed of inner drill pipe ...
2025-08-01 00:10:52
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...Drill Pipe / RC Double Wall Drill Pipe Product Description In order to realize the reverse circulation drilling process of the through-hole DTH ...
2025-08-01 00:10:52
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... inner pipe and outer pipe). The inner and outer pipes form an annulus, which is a channel for pumping the flushing medium to the bottom of the ...
2025-08-01 00:10:52
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...Double Wall Drill Pipe is a reverse circulation drill pipe designed for drilling and exploration operations. It is a double walled piping system ...
2025-01-02 16:10:03
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...Drillto. We can manufacture various drill rods according to customer requirements. Double wall drill pipe Type O.D.of the outer tube (mm) I.D.of ...
2025-08-01 00:10:52
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Double-walled RC drill pipe is used for core sampling drilling and gas lift reverse circulation drilling Product Description: This series of reverse ...
2025-08-01 00:10:52
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... Type:Drilling Rig trenchless drill rod:HDD Means of Transport:Ocean,Land,Air Packing:with iron Application:Others Brand Name:Long way Product ...
2025-01-02 16:10:03
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...Steel RC drill Rods Product Description 1. Steel grade: E75 R780 G105 S135. 2. Specifications: 42-140mm. 3. Thread: For Vermeer, Ditch Witch, ...
2025-01-02 16:10:03
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