AWJ BWJ NWJ KWJ HWJ Tapered Threaded Drill Pipe /Drill rods
Created on：2021-03-31 19:35
AWJ BWJ NWJ KWJ HWJ Tapered Threaded Drill Pipe /Drill rods
Friction Welded Geological Drill rods/drill pipe
Roschen manufacture drill rods are crafted from high quality grade heat treated material ensuring superior wear resistance, strength, and toughness in the most demanding applications.
Drill rods are available in DCDMA standard size AW, BW, NW, HW, PW, SW, TW, UW, ZW with tapered thread tool joints in size AWY, BWY, NWY, etc.
Roschen also manufacture friction welded drill rods for other applications such as DTH Hammer drilling, API thread drill pipe.
Casing tubes are available in DCDMA standard size AW, BW, HW, NW, PW, SW, TW, UW, ZW and metric size 46-146mm.
| Dimensions of Drill Rods | ||
| Size | OD (mm) | ID (mm) |
| AQ | 44.7 | 37.3 |
| BQ | 55.7 | 46.1 |
| NQ | 69.9 | 60.3 |
| HQ | 88.9 | 78 |
| PQ (PHD) | 114.5 | 101.5 |
| AW/AWJ/AWY | 43.7 | 30.7 |
| BW/BWJ/BWY | 54.0 | 38.0 |
| NW/NWJ/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 |
