Standard UNI 5712
此项规范已取消
用于高强度结构螺栓连接的大六角螺栓
用于结构工程的高强度大六角螺栓。等公制粗螺纹。
| Dimensions in mm - source UNI 5712 Withdrawn | ||||||
| Publication date: 06 - 1975- Supersedes March 1979 edition | ||||||
| d thread size | P | ds nom | e min. | k nom. | s nom=max | |
| M 12 | 1.75 | 12 | 23.91 | 8 | 22 | |
| M 14 | ||||||
| M 16 | ||||||
| M 18 | ||||||
| M 20 | ||||||
| M 22 | ||||||
| M 24 | ||||||
| M 27 | ||||||