| Specification/ Nominal Size | Thickness | Internaldiameter | open one mouth | Internaldiameter(R angle) |
| d1 | s | d3 | e(≈) | r(Min) |
| 30 | 1.12 | 27.4 | 3 | 0.4 | 32 | 1.12 | 29.4 | 3 | 0.4 |
| 35 | 1.12 | 32.4 | 3 | 0.4 | 37 | 1.12 | 34 | 3 | 0.4 |
| 40 | 1.12 | 37.3 | 3 | 0.4 | 42 | 1.12 | 38.9 | 3 | 0.4 |
| 44 | 1.12 | 40.9 | 3 | 0.4 | 47 | 1.12 | 43.7 | 4 | 0.4 |
| 50 | 1.12 | 46.7 | 4 | 0.4 | 52 | 1.12 | 48.8 | 4 | 0.4 |
| 55 | 1.12 | 51.7 | 4 | 0.4 | 56 | 1.12 | 52.4 | 4 | 0.4 |