Seamless Cold Drawn Nwl Hwl Steel Drill Rods With High Depth Capacity For Demanding Drilling
Seamless Cold-Drawn Steel NWL HWL Drill Rods With High Depth Capacity For Demanding Drilling
We use only top-rated, seamless, cold-drawn steel blanks from world class suppliers.
Sinocoredrill standards in all aspects of material specifications ensure our customers are getting the very best we have to offer.
All rods longer than 5 ft/1.5 m are heat treated for better wear resistance in all drilling applications.
Manufactured to strict quality standards. We control and verify every rod thread and adapter we make.
Complies with ISO 9001:2015 certification standards.
Superior durability
Reduces jamming and wedging.
Lowers risk of threads stripping.
Smoother starting for less wear.
Case hardening for longer rod lifespan.
Size Available:
Wireline Series: B, N, H, P
"WJ" Design: AWJ, BWJ, NWJ, KWJ, HWJ
"W" Design: RW, EW, AW, BW, NW, HW
Metric Series: 33, 42, 50
We also can produce various sizes of casing tubes.
All Chinese Sizes Customer's special requirement is also available.
| Size | Outer Diameter (mm) | Inner Diameter(mm) |
| AQ | 44.7 | 37.3 |
| BQ | 55.7 | 46.1 |
| NQ | 70.0 | 60.2 |
| HQ | 89.0 | 78.0 |
| PQ(PHD) | 114.5 | 101.5 |
| AW/AWJ/AWY | 43.7 | 30.7 |
| BW/BWJ/BWY | 54.0 | 38.0 |
| NW/NWY | 66.8 | 51.0 |
| HW | 89.0 | 71.0 |
| 42mm | 42.0 | 30.0 |
| 50mm | 50.0 | 37.0 |
| 60mm | 60.0 | 48.0 |
| 70mm | 73.0 | 54.6 |
| 90mm | 89.0 | 69.0 |
| S75 | 71.0 | 61.0 |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.