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127mm O D Double Wall Drill Pipe

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127mm o d double wall drill pipe

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Black Od 127mm Double wall Drill Pipe For Reverse Circulation

China Black Od 127mm Double wall Drill Pipe For Reverse Circulation on sale
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.

Address: Yongqing Industrial Zone, Langfang, Hebei, China

127mm Reverse Circulation Drill Rod , Double Wall Drill Pipe For Rc Drilling

China 127mm Reverse Circulation Drill Rod , Double Wall Drill Pipe For Rc Drilling on sale
...). 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.

Address: No.1109 Tower A Wanda Plaza, 93 Jianguo Road, CBD/Beijing, China,100022
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