BS 4174 14 De forme standard Dimensions pour Tapping screws, slotted raised head
Vis autotaraudeuses à tête fraisée bombée tronquée fendue à 80°
Dessins cotés et schémas techniques
Dimensions et paramètres techniques clés
|
Dimensions in mm - source BS 4174 Table 14 80° slotted truncated raised countersunk head tapping screws: Publication date: 10 - 1972 |
||||||||
|
Ø thread size
|
dk min
|
dk mx |
k max
|
k min |
t nom
|
n min
|
n max | f nom |
|
ST 2.2
|
3.73 | 4.37 | 0.91 | 0.71 | 0.94 | 0.58 | 0.79 | 0.64 |
|
ST 2.9
|
4.95 | 5.71 | 1.19 | 0.96 | 1.22 | 0.79 | 0.99 | 0.84 |
|
ST 3.5
|
6.2 | 7.09 | 1.5 | 1.22 | 1.5 | 0.99 | 1.22 | 1.02 |
|
ST 4.2
|
7.42 | 8.43 | 1.78 | 1.47 | 1.8 | 1.14 | 1.37 | 1.22 |
|
ST 4.8
|
8.64 | 9.78 | 2.06 | 1.73 | 2.08 | 1.27 | 1.52 | 1.4 |
|
ST 5.5
|
9.88 | 11.13 | 2.34 | 1.98 | 2.39 | 1.402 | 1.7 | 1.6 |
|
ST 6.3
|
11.48 | 12.88 | 2.72 | 2.34 | 2.77 | 1.63 | 1.9 | 1.83 |
| ST 8 | 14.43 | 16.13 | 3.4 | 2.95 | 3.48 | 1.83 | 2.13 | 2.29 |