| 公制 | 德制 | ||||
| 相对应的PG型 | 电缆卡口范围 (mm) | 国标D1内径 (mm) | D1内径 (mm) | D2内径 (mm) | |
| M12 | PG7 | 3-6.5 | 12 | 11 | 8 |
| pg9加长 | 4-8 | 16 | 16 | 11.8 | |
| M16 | PG9 | 4-8 | 16 | 16 | 11.8 |
| M18 | PG11 | 5-10 | 18 | 17.8 | 13.8 |
| M20 | PG13.5 | 6-12 | 20 | 19.5 | 20 |
| M22 | PG16 PG18 | 10-14 | 22 | PG18-24 | 18 |
| M24 | PG19 | 12-15 | 24 | 23.8 | 19 |
| M25 | PG19(六角螺母尺寸不一样) | 12-15 | 25 | 24 | 19 |
| M28 | PG21(六角螺母尺寸不一样) | 13-18 | 28 | 26 | 21.2 |
| M30 | PG24 | 15-22 | 30 | 29 | 29.5 |
| M32 | PG25(六角螺母尺寸不一样) | 17-23 | 32 | 29 | 24.5 |
| PG27大些 | 17-22 | 32.7 | 32.7 | 31 | |
| M36 | PG29(六角螺母尺寸不一样) | 18-25 | 36 | 37 | 30.8 |
| M40 | 22-30 | 40 | 39 | 34.2 | |
| PG36大些 | 22-32 | 46 | 46 | 39 | |
| M50 | PG42大些 | 30-38 | 50 | 54 | 44 |
| PG48 | 34-44 | 59.5 | |||
| M58 | 30-38 | 58 | |||
| M63 | 34-44 | 63 | 62 | 56.2 | |
| M71 | PG63 | 42-54 | 71 | 70 | 63.5 |
