102mm Wall Drill Pipe 4inch Remet Reverse Circulation Drill Pipe

High quality double-wall drill rod/ 102mm 4" Remet reverse circulation drill rod

Technology of double wall drill pipe
The double wall drill pipe is mainly made of special alloy steel pipe. The joint of the drill pipe is made of alloy structural steel through friction welding, vacuum quenching and tempering treatment, and overall surface hardening. The thread processing adopts automatic processing equipment, which has the characteristics of high bending strength, reliable welding, and high slag removal efficiency. Compared with the similar products, the fatigue strength is improved.

Double wall drill pipe

Advantage

Our reverse circulation drill pipes and drill pipes consist of hardened alloy steel drill pipe joints, heavy-duty seamless drill pipes and high tensile and wear-resistant inner pipes. With our years of experience in designing and manufacturing tough and wear-resistant RC drill pipes, all aspects of material and production management have been optimized. The result is a high-quality reverse circulation drill pipe that enables your RC rig to be produced efficiently day after day.

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 7-30 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample need to pay the cost of products and freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.