Rock drilling rods (top hammer drill rods) are made of high-quality 23CrNi3Mo material, heat-treated in a carburizing furnace, and possess a reasonable balance of strength and flexibility. These products are widely used in mining, engineering, tunnel excavation, water conservancy, and highway and bridge construction.
| Size | Thread | Length(mm) | Coupling | Adapter |
| R25 | R25-H25-R25MM | 2100~3700 | R25-R25 R25-R32 R25-R38 | |
| R25-H25-R32MM | 915~3050 | |||
| R25-H25-R25MF | 610~1220 | |||
| R28 | R28-H28-R28MM | 2100~3700 | R28-R28 R28-R32 R28-R38 | |
| R28-H28-R28MF | 3050 | |||
| R28-H28-R32MM | 2050~4920 | |||
| R28-H32-R32MM | 2900~4310 | |||
| R28-H32-R38MM | 2900~4310 | |||
| R32 | R32-H32-R38/T38MM | 2400~5530 | R32-R32 R32-R38 R32-T38 R32-T45 | |
| R32-H35-R38/T38MM | 3090~6100 | |||
| R32-H35-T38MF | 3700~6400 | |||
| R32-φ32-R32MM | 915~3660 | |||
| R32-φ32-R32MF | 915~3660 | |||
| R32-φ39-R32MF | 3050~3660 | |||
| R32-φ46-R32MM | 1220~3060 | |||
| T38 | T38-φ39-T38MM | 1220~6095 | T38-T38 T38-T45 | |
| T38-φ39-T38MF | 1220~6095 | |||
| T38-H32-T38MM | 1220~3660 | |||
| T38-φ46-T38MF | 1830~6095 | |||
| T38-φ56-T38MF | 1220~3660 | |||
| T45 | T45-φ46-T45MM | 1830~6095 | T45-T45 T45-T51 | |
| T45-φ46-T45MF | 1525~6095 | |||
| T45-φ52-T45MF | 3050~6095 | |||
| T45-φ64-T45MF | 1220~3660 | |||
| T51 | T51-φ52-T51MM | 3050~6095 | T51-T51 | |
| T51-φ52-T51MF | 1525~6095 | |||
| T51-φ76-T51MF | 1830~3660 | |||
| GT60 | GT60-φ60-GT60MF | 3660~4265 |
