Standard UNI 6954
This norm has been cancelled
Tapping screws, cross recessed pan head

Dimensions in mm - source UNI 6594Withdrawn | ||||||||||
Publication date: 11 / 1978 | ||||||||||
Ø thread size | P | dk max | dk min | k max | k min | recess nr. | Type H m ref. | Type Z m ref. | y type C | y type F |
2.2 | 0.8 | 4.2 | 3.9 | 1.8 | 1.55 | 1 | 2.6 | 2.4 | 2 | 1.6 |
2.9 | ||||||||||
3.5 | ||||||||||
3.9 | ||||||||||
4.2 | ||||||||||
4.8 | ||||||||||
5.5 | ||||||||||
6.3 |