

| 規格 | L | L1 | L2 |
| 13X1/2 | 74 | 44 | 27 |
| 20X1/2 | 73 | 45 | 31 |
| 20X3/4 | 73 | 45 | 34 |
| 25X1/2 | 86 | 45 | 31 |
| 25X3/4 | 86 | 45 | 34 |
| 25X1 | 81 | 45 | 40 |
尺寸單位:mm,公差:±3mm
唯有堅持鋼鐵般的品質才能永垂不朽


| 規格 | L | L1 | L2 |
| 13X1/2 | 74 | 44 | 27 |
| 20X1/2 | 73 | 45 | 31 |
| 20X3/4 | 73 | 45 | 34 |
| 25X1/2 | 86 | 45 | 31 |
| 25X3/4 | 86 | 45 | 34 |
| 25X1 | 81 | 45 | 40 |
尺寸單位:mm,公差:±3mm