Standard UNI 5726
此项规范已取消
方头螺钉，全螺纹，ISO 公制粗螺纹，C 类。
| Uni 5726 - Norm withdrawn without replacement Publication date: 12-1965 | ||||
| d thread size | s nom | k nom | r min | e min |
| M 5 | 8 | 3.5 | 0.5 | 10 |
| M 6 | 10 | 4 | 0.5 | 13 |
| M 8 | ||||
| M 10 | ||||
| M 12 | ||||
| M 14 | ||||
| M 16 | ||||
| M 18 | ||||
| M 20 | ||||
| M 22 | ||||
| M 24 | ||||
| M 27 | ||||
| M 30 | ||||
| M 33 | ||||
| M 36 | ||||