51 2fh threads double wall drill pipe online manufacture

WK114/52 mm Full Hole Reverse Circulation Double Wall Drill Pipe Product Description: Double-arm drill pipe is also called double-layer drill pipe. It is composed of inner and outer drill pipes (called inner ... 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

Provide water well pipe for RC drilling Double wall rod reverse circulation reverse circulation (RC) drill pipe Product Description: Od 76mm Double Walled Drill Pipe is used for RC wells R780 steel grade. ... Read More

Premium double wall drill pipe/reverse circulation drill pipe Product Description: The double-wall drill pipe is used for RC drilling, the circulating medium passes through the gap between the double-wall pipes ... Read More

Reverse Circulation Drill Rod / Double Wall RC Pipe For Reverse Cireulation Drilling Product Description 1. Steel grade: E75 R780 G105 S1352. Specification: 42-140mm3. Thread: For Vermeer, Ditch witch, Drillto ... 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

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 ... Read More

Premium 4 1/2 Double Wall Reverse Circulation RC Drill Rod for Drilling Product Description: The double-wall drill pipe is a full-hole drilling tool with good rigidity, so the hole deviation rarely occurs; the ... Read More

52mm Other Diameter Of Joint High Quality Double Wall Drill Pipe Product Description 1. Steel grade: E75 R780 G105 S135 stainless steel 2. Specification: 42-140mm 3. Thread: For Vermeer, Ditch witch, Drillto We ... Read More