Standard UNI 8118
Pan head cross recessed self-drilling screws.

Dimensions in mm - source UNI 8118 | ||||||||||
Publication date: 09-1980 | ||||||||||
d thread size | p | k min | k max | dk min | dk max | r ~ | recess nr. | Type H m ref | Type Z m ref. | drilling range |
ST2.9 | 1.1 | 2.15 | 2.4 | 5.3 | 5.6 | 5 | 1 | 3 | 3 | 0.7÷1.9 |
ST3.5 | ||||||||||
ST4.2 | ||||||||||
ST4.8 | ||||||||||
ST5.5 | ||||||||||
ST6.3 |