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inner outer dual tube drilling rod
Selling leads
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Product Description: The Double Wall Drill Pipe is designed to withstand the extreme conditions that are encountered during deep drilling operations. ...
2025-01-02 16:10:03
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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 ...
2025-07-31 00:15:16
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...drill Rods Product Description 1. Steel grade: E75 R780 G105 S135. 2. Specifications: 42-140mm. 3. Thread: For Vermeer, Ditch Witch, Drillto. We ...
2025-01-02 16:10:03
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...Drilling Rod Trenchless Double Wall Drill Pipe Product Description Trenchless double wall drill pipe is composed of inner drill pipe and outer ...
2025-07-31 00:15:16
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... according to customer requirements, such as 1m, 1.5m, 2.0m, 3.0m, 4.5m, 6m, etc. Diameter: 102mm, 108mm, 114mm, etc. Double wall drill pipe Type O...
2025-07-31 00:15:16
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Reverse Circulation Drill Pipe/Reverse Circulation Drill Pipe Double Wall RC Drill Pipe Product Description: Double-arm drill pipe is also called ...
2025-07-31 00:15:16
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... drill rod and outer drill rod). The inner cavity hole of the inner drill pipe is a channel for pumping water or mud to the construction hole ...
2025-07-31 00:15:16
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... drill rod and outer drill rod). The inner cavity hole of the inner drill pipe is a channel for pumping water or mud to the construction hole ...
2025-07-31 00:15:16
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...Drilling Pipe Reverse Circulation Double Wall Drill Pipes For RC Reverse Circulation DTH Hammer Product Description The non-grooved double-wall ...
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 ...
2025-07-31 00:15:16
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