外部尺寸
| 符號|缸徑 | 32 | 40 | 50 | 63 | 80 | 100 | 125 | 160 | 200 |
| MA | 58 | 58 | 90 | 90 | 102 | 102 | 147 | 251 | 251 |
| MB | 22 | 22 | 27 | 27 | 29 | 29 | 54 | 72 | 72 |
| MC | 7 | 8 | 10 | 10 | 13 | 13 | 13 | 22 | 22 |
| MD | 21 | 21 | 41 | 41 | 46 | 46 | 64 | 115 | 115 |
| ME | 26 | 28 | 44.5 | 44.5 | 53 | 53 | 62 | 80 | 80 |
| MF | 11.5 | 11.5 | 20 | 20 | 24 | 24 | 39 | 80 | 80 |
| MG | 7 | 8 | 10 | 10 | 13 | 13 | 14 | 18 | 18 |
| MH | 10 | 12 | 17 | 17 | 22 | 22 | 30 | 36 | 36 |
| MI | M10x1.25 | M12x1.25 | M16x1.5 | M16x1.5 | M20x1.5 | M20x1.5 | M27x2.0 | M36x2.0 | M36x2.0 |
| MK | 12 | 12 | 7 | 7 | 10 | 10 | 9 | 4 | 4 |