51 2fh threads double wall drill pipe online manufacture

High Steel Water Well Drill Pipe Od 114mm 4 1/2" Remet Length 6000mm Black 114mm 4 1/2" remet double-wall pole reverse circulation Product Description: The high-pressure air and the gas pipe are transported to ... Read More

API Stainless steel reverse circulation drill pipe 114.3 * 6000 high strength corrosion resistance Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. ... Read More

High Strength Drill Pipe Used For Reverse Air Circulation Drilling Product Description High-strength double-tube drill pipe used for reverse air circulation drilling in open-pit mining. The length can be set ... 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

Reverse Circulation Drill Pipe Circulation Drill Pipe 114mm Remet 4 1/2" Reverse Product Description: Our reverse circulation drill pipes and drill pipes consist of hardened alloy steel drill pipe joints, heavy... Read More

Reverse circulation drill pipe inner pipe with high wear resistance Product Description Gas-lift reverse circulation drilling technology is due to large backflow, fast backflow, high drilling efficiency, high ... Read More

Double wall drill pipe, trenchless consists of inner drill pipe and outer drill pipe Product Description: The gas lift reverse circulation drilling technology has the advantages of large backflow, fast backflow... Read More

4 1/2Remet Thread R780 Steel Grade Steel RC drill Rods Product Description 1. Steel grade: E75 R780 G105 S135. 2. Specifications: 42-140mm. 3. Thread: For Vermeer, Ditch Witch, Drillto. We can manufacture ... Read More

114mm Od RC Drill Rods for water well high grade steel Product Description: Double-arm drill pipe is also called double-layer drill pipe. It is composed of inner and outer drill pipes (called inner pipe and ... Read More