| 部分 # | 外径 | 螺纹长度 | 总体长度 | 螺纹尺寸 |
| 72406T | 20 | 24 | 51 | 12*1.25 |
| 72407T | 20 | 24 | 51 | 12*1.50 |
| 72409T | 20 | 24 | 51 | 14*1.503 |
| 72806T | 20 | 28 | 55 | 12*1.25 |
| 72807T | 20 | 28 | 55 | 12*1.50 |
| 72809T | 20 | 28 | 55 | 14*1.50 |
| 73306T | 20 | 33 | 60 | 12*1.25 |
| 73307T | 20 | 33 | 60 | 12*1.50 |
| 73309T | 20 | 33 | 60 | 14*1.50 |
| 73906T | 20 | 39 | 66 | 12*1.25 |
| 73907T | 20 | 39 | 66 | 12*1.50 |
| 73909T | 20 | 39 | 66 | 14*1.50 |