For produce the high quality drill rods, firstly need to use the good quality steel tubes, it is the most important step, and we pay great attention to this point.
We Supply Wireline Drill Rods, from AQ ,BQ ,NQ ,HQ and PQ , Parallel Threaded Drill Rods, DCDMA Sizes AW-HW, and Metric sizes 42mm to 90mm, Tapered Threaded Drill Rods, DCDMA Sizes AWY to NWY, AWJ, BWJ and S75 Drill Rods.
Dimensions Of Drill Rods:
We Supply Wireline Drill Rods, from AQ ,BQ ,NQ ,HQ and PQ , Parallel Threaded Drill Rods, DCDMA Sizes AW-HW, and Metric sizes 42mm to 90mm, Tapered Threaded Drill Rods, DCDMA Sizes AWY to NWY, AWJ, BWJ and S75 Drill Rods.
Dimensions Of Drill Rods:
| 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 |