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All 127mm o d double wall drill pipe wholesalers & 127mm o d double wall drill pipe manufacturers come from members. We doesn't provide 127mm o d double wall drill pipe products or service, please contact them directly and verify their companies info carefully.
| Total 2 products from 127mm o d double wall drill pipe Manufactures & Suppliers |
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Brand Name:Longway Place of Origin:China Model Number:5inch Double wall drill pipe for reverse circulation Product Description: The double-wall drill pipe is a full-hole drilling tool, and the hole wall gap is small, so there is no space condition for the broken rock to collapse, and the double-wall drill pipe has ... |
Langfang Baiwei Drill Co., Ltd.
Hebei |
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Brand Name:GLORYTEK Model Number:127mm Place of Origin:China ...). An annular gap is formed between the inner and outer pipes, which is a channel for pumping flushing medium to the bottom of the hole during hydraulic rock drilling and central sampling drilling. The central hole of the inner pipe is fixed as a whole to |
Glorytek Industry (Beijing) Co., Ltd.
Beijing |
