Standard BS 4174 15
Viti a testa svasata tronca 80° con calotta e ...
| Dimensions in mm - source BS 4174 Cross Recess 80° truncated Raised Countersunk Head Screws [Table 15] Publication date: 10 - 1972 | |||||||||
| Ø thread size | dk min | dk mx | m min | k max | t min | t max | f nom | reccess nr. | m nom |
| ST 2.2 | 3.73 | 4.37 | 0.71 | 0.91 | 1.22 | 1.62 | 0.64 | 1 | 2.41 |
| ST 2.9 | 4.95 | 5.71 | 0.96 | 1.19 | 1.93 | 2.34 | 0.84 | 1 | 3.12 |
| ST 3.5 | |||||||||
| ST 4.2 | |||||||||
| ST 4.8 | |||||||||
| ST 5.5 | |||||||||
| ST 6.3 | |||||||||
| ST 8 | |||||||||