Standard ISO 7414
结构螺栓用大对边六角螺母，1型-产品等级B。
该标准规定了公制尺寸和螺纹尺寸从M12到M36的系列；...
| Dimensions in mm - source ISO 1984 Withdrawn | |||||
| Publication date: 11 - 1984 |
| d thread size | P | s | dw | e min | m | c | |||
| max | min | min | max | min | max | ||||
| M 12 | 1.75 | 21 | 20.16 | 19.2 | 22.78 | 10.37 | 10.8 | 0.15 | 0.6 |
| M 16 | 2 | 27 | 26.16 | 24.9 | 29.56 | 14.1 | 14.8 | 0.2 | 0.8 |
| M 20 | |||||||||
| M 22 | |||||||||
| M 24 | |||||||||
| M 27 | |||||||||
| M 30 | |||||||||
| M 36 | |||||||||