Standard NF E25-656
This norm has been cancelled
Tapping screws, cross recessed countersunk flat he...
| Dimensions in mm - source NF E25-656Withdrawn | |||||||||
| Publication Date 12/1984 |
| Ø thread size | P | dk max | dk min | k max | recess No. | m type H | m type Z | y type C | y type F |
| 2.2 | 0.8 | 3.8 | 3.5 | 1.1 | 0 | 1.9 | 2 | 2 | 1.6 |
| 2.9 | 1.1 | 5.5 | 5.2 | 1.7 | 1 | 3.2 | 3 | 2.6 | 2.1 |
| 3.5 | 1.3 | 7.3 | 6.9 | 2.35 | 2 | 4.4 | 4.1 | 3.2 | 2.5 |
| 4.2 | |||||||||
| 4.8 | |||||||||
| 5.5 | |||||||||
| 6.3 | |||||||||
| 8 | |||||||||
| 9.5 |