- Rotary Percussion Drill Rods
(External Flush)
| Rod Size (inch) |
Rod O.D. (mm) |
Wall Thickness (mm) |
Thread Connection (inch) |
| 3 | 76 | 5.5 ~ 8.5 | 2⅜ API Reg |
| 3½ | 88.9 | 5.5 ~ 8.5 | 2⅜ API Reg 2⅞ API Reg |
| 4 | 101.6 | 6.5 ~ 8.5 | 3½ API Reg 2⅞ API Reg |
| 4½ | 114.3 | 7.0 ~ 10.0 | 3½ API Reg 2⅞ API Reg |