

| 規格 | L | L1 |
| 13X1/2 | 80 | 44 |
| 20X3/4 | 82 | 45 |
| 25X1 | 86 | 45 |
| 30X1 1/4 | 104 | 59 |
| 40X1 1/2 | 104 | 59 |
| 50X2 | 108 | 59 |
| 60X2 1//2 | 117 | 60 |
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 |
| 13X1/2 | 80 | 44 |
| 20X3/4 | 82 | 45 |
| 25X1 | 86 | 45 |
| 30X1 1/4 | 104 | 59 |
| 40X1 1/2 | 104 | 59 |
| 50X2 | 108 | 59 |
| 60X2 1//2 | 117 | 60 |
尺寸單位:mm,公差:±3mm