- D.C.D.M.A WJ-series Drill Rod
(Taper Thread Type)
| Size | O.D. (mm) |
I.D. (mm) |
Coupler I.D. (mm) |
Thread /Inch (T.P.I.) |
Weight (lbm/foot) |
| AWJ | 44.4 | 31.0 | 16.1 | 5 | 3.6 |
| BWJ | 54.0 | 44.5 | 19.3 | 5 | 5.0 |
| NWJ | 66.7 | 57.4 | 28.8 | 4 | 6.0 |
| KWJ | 73.0 | 61.9 | 34.9 | 4 | |
| HWJ | 88.9 | 77.8 | 44.5 | 4 |