RC Drill Pipes:
Our Reverse Circulation heavy duty dual tube drill pipes outclass similar products on the market in both value and quality. Zuanshan also provides the driller with excellent durability, thanks to the highest quality products which were used during the manufacturing process. Nearly 100% of our sales are direct to drilling contractors, whom openly specify our reverse circulation dual tube drilling rods, because they last longer and drill deeper with the same air, offering the most value for the price.
We offer our drilling pipes in the following sizes:
3 1/4 inch OD Reverse Circulation Dual Tube Drill Pipe
4 inch OD Reverse Circulation Dual Tube Drill Pipe
4 1/2 inch OD Reverse Circulation Dual Tube Drill Pipe
5 1/2 inch OD Reverse Circulation Dual Tube Drill Pipe
7 inch OD Reverse Circulation Dual Tube Drill Pipe
9 5/8 inch OD Reverse Circulation Dual Tube Drill Pipe