Casing tubes are mainly applicable to advanced anchoring drilling to prevent the working face from collapsing due to the continuous deterioration of geological conditions in coal mines, roadways, and other underground engineering projects. Probe Rods play roles in strengthening the working face.
Pin-Box Casing
| Casing OD (mm) | Casing ID (mm) | Pin Joint ID (mm) | Length (mm, S/S) | Connection Type |
| 133 | 115 | 106 | 1500 | Pin-Box Left Hand |
| 133 | 115 | 106 | 2000 | Pin-Box Left Hand |
| 146 | 128 | 122.5 | 1500 | Pin-Box Left Hand |
| 146 | 128 | 122.5 | 2000 | Pin-Box Left Hand |
Box-Box Casing (plus Pin-Pin Nipple to match)
| Casing OD (mm) | Casing ID (mm) | Pin Joint ID (mm) | Length (mm, S/S) | Connection Type |
| 102 | 82 | 72 | 1500 | Box-Box Left Hand |
| 102 | 82 | 72 | 2000 | Box-Box Left Hand |
| 114 | 92 | 84 | 1500 | Box-Box Left Hand |
| 114 | 92 | 84 | 2000 | Box-Box Left Hand |
| 136 | 114 | 105 | 1500 | Box-Box Left Hand |
| 136 | 114 | 105 | 2000 | Box-Box Left Hand |
| 146 | 126 | 115 | 1500 | Box-Box Left Hand |
| 146 | 126 | 115 | 2000 | Box-Box Left Hand |
| 168 | 146 | 136 | 1500 | Box-Box Left Hand |
| 168 | 146 | 136 | 2000 | Box-Box Left Hand |
