Langfang Baiwei Drill Co., Ltd.
                                                                                                           
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4 1/2remet Thread r780 Steel Grade Steel RC DrillRod / Drilling Through Steel Pipe

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2023-04-24
Double Wall Drill Pipe API ISO9001 dual wall drill pipe ISO API dual tube drilling rod
Discover the 4IF Type Threads DTH Heavy Double Wall Drill Pipe, designed for reverse circulation drilling with a 6m length. Ideal for through-the-hole DTH hammer systems, this drill pipe ensures efficient drilling through steel pipes and more.