Viti autofilettanti a testa svasata 80° con calotta ed intaglio

Disegni dimensionali e diagrammi tecnici

1748_28SUd3_bs-4174-14.jpg

Dimensioni chiave e parametri tecnici

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