| 型号 | 尺寸mm | |||
| d | B | C₁ | h₁ | |
| JM2* | 3.175 | 6.35 | 4.75 | 23.8 | JM3° | 4.826 | 7.92 | 6.35 | 31.75 |
| JM4* | 6.35 | 9.53 | 7.14 | 39.67 | JM5* | 7.938 | 11.1 | 8.74 | 47.63 |
| JM6 | 9.525 | 12.7 | 10.31 | 49.23 | JM7 | 11.113 | 14.27 | 11.1 | 53.68 |
| JM8 | 12.7 | 15.88 | 12.7 | 61.93 | JM10 | 15.875 | 19.05 | 14.27 | 66.68 |
| JM12 | 19.05 | 22.23 | 17.45 | 73.03 | JM14 | 22.225 | 22.23 | 19.43 | 85.73 |
| JM14-1 | 22.225 | 22.23 | 17.45 | 85.73 | JM16 | 25.4 | 34.93 | 25.4 | 104.78 |
