41 21f threads double wall rc pipe online manufacture

Double Wall Drill Pipes RC Drill Pipe For DTH Hammer Product Description 1. Steel grade: E75R780G105 S135 2. Specification: 42-140mm 3. Thread: For Vermeer, Ditch witch, Drillto We can manufacture all kinds of ... Read More

102mm High Steel Double Wall Drill Pipe Reverse Circulation 6000mm Longth Manufacture of RC drill pipe/114mm reverse circulation drill pipe/double wall drill pipe Product Description: 114mm R780 gread Steel ... Read More

Manufacture of RC drill pipe/114mm reverse circulation drill pipe/double wall drill pipe Product Description: This series of reverse circulation pipes can increase the permeability of the lost stratum, reduce ... Read More

Factory direct sales double wall RC drill pipe for reverse circulation drilling Product Description: Drill pipe basically consists of a steel tube with a pin at one end and a box at the other. The job of the ... Read More

6m reverse circulation (RC) drill pipe for reverse circulation drilling Product Description This series of reverse circulation pipes can increase the permeability of the lost stratum, reduce the consumption of ... Read More

Manufacture of RC drill pipe / 114mm reverse circulation drill pipe / double wall drill pipe Product Description: Double wall RC drill pipe is used for core sampling drilling and gas lift reverse circulation ... Read More

4 1/2 double wall reverse circulation RC drill pipe for sale Product Description Gas-lift reverse circulation drilling technology is due to large backflow, fast backflow, high drilling efficiency, high drilling ... Read More

Customized Double Wall RC Drilling Rod Trenchless Double Wall Drill Pipe Product Description Trenchless double wall drill pipe is composed of inner drill pipe and outer drill pipe (called inner pipe and outer ... Read More

Reverse Circulation Drill Pipe / RC Double Wall Drill Pipe Product Description In order to realize the reverse circulation drilling process of the through-hole DTH hammer, the supporting drilling tool system ... Read More

114mm 4 1/2" remet double-wall pole reverse circulation Product Description: The high-pressure air and the gas pipe are transported to somewhere in the well. The high-pressure air and liquid are injected into ... Read More