Tiranti tutto filetto - sezione 2 - raccomandazioni per materiali ad alta resistenza

Disegni dimensionali e diagrammi tecnici

1828_MenVLC_BS-2693-2.jpg

Dimensioni chiave e parametri tecnici

Dimensions in mm - source BS 2693-2

Publication date: 08/1964

Screw Thread

d

1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1-1/8 1-1/4 1-3/8 1-1/2

Nr of threds per inch

20 18 16 14 13 12 11 10 9 8 7 7 6 6
Major diameter Hardness>160 hb Max 0.247 0.308 0.369 0.4305 0.492 0.554 0.614 0.736 0.86 0.9835 1.107 1.232 1.356 1.481
Min 0.2408 0.302 0.3626 0.4233 0.4846 0.546 0.6056 0.727 0.8502 0.9727 1.0952 1.22 1.341 1.467
Hardness>160 hb Max 0.247 0.309 0.371 0.433 0.495 0.558 0.6195 0.744 0.8685 0.9935 1.118 1.243 1.368 1.493
Min 0.2408 0.303 0.3646 0.4258 0.4876 0.5495 0.6111 0.735 0.8587 0.9827 1.1062 1.2312 1.3538 1.4788
Nonferrous metal Max 0.247 0.309 0.371 0.433 0.495 0.558 0.6195 0.744 0.8685 0.9935 1.118 1.243 1.368 1.493
Min 0.2408 0.303 0.3646 0.4258 0.4876 0.5495 0.6111 0.735 0.8587 0.9827 1.1062 1.2312 1.3538 1.4788
minor diameter Max 0.1932 0.2508 0.3053 0.3579 0.4140 0.4695 0.5233 0.6378 0.7503 0.8594 0.9640 1.0890 1.1477 2.3127