Standard NF E25-601
此项规范已取消
木螺钉 - 带凹槽 Z 的沉头 - 符号 F Z。
| Dimensions in mm - source NF e25-601 Publication date: 05/1984 | ||||||||
| thread size | 2.5 | 3.0 | 3.5 | 4.0 | 4.5 | 5.0 | 5.5 | 6.0 |
| P | 1.1 | 1.35 | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.6 |
| ds min | 2.1 | 2.6 | 3.02 | 3.52 | 4.02 | 4.52 | 5.02 | 5.52 |
| dk nom | ||||||||
| k max. | ||||||||
| Cross recess nr | ||||||||
| m (Type Z) | ||||||||