double wall drill pipe 114mm online manufacture

Customized Drill Pipe For Oil Well Drilling Double Wall Drill Pipe Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. Certification: ISO API High strength ... Read More

WP89/40 For Oil Well Drilling Double Wall Drill Pipe Product Description 1. Name: Double wall drill pipe 2. Size: DP89/40-DP219/150 3. Standard: ISO API 4. Certification: ISO API High strength double tube ... 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

R780 114mm*4500mm Diameter API Drilling Through Galvanized Pipe Water Well DTH API Drill Pipe Customized Color For Hydraulic Water Well Drill Rig Product Description The drill pipe is a steel pipe with thread ... 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