Disegni dimensionali e diagrammi tecnici

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Dimensioni chiave e parametri tecnici

Dimensions in inches (1 inch=25.4 mm) source BS 1083 Hexagon head screw, fully thread

Publication date: 08 / 1965

d Thread size
Nr. of threads BSW

Nr. of threads BSF

k min k max e max
s min
s mx
1/4
20 26 0.166 0.176 0.51 0.438 0.445
5/16
18 22 0.208 0.218 0.61 0.518 0.525
3/8
16 20 0.250 0.260 0.69 0.592
0.600
7/16
14 18 0.292 0.302 0.82 0.702
0.710
1/2
12 16 0.333 0.343 0.95 0.812
0.820
9/16 12 16 0.365 0.375 1.06 0.912 0.920
5/8
11 14 0.407 0.417 1.17 1.000
1.010
3/4
10 12 0.480 0.500 1.39 1.190
1.200
7/8
9 11 0.563 0.583 1.50 1.288
1.300
1
8 10 0.636 0.666 1.71 1.468
1.480
1-1/8 7 9 0.710 0.750 1.93 1.640 1.670
1-1/4 7 9 0.790 0.830 2.15 1.815 1.860
1-3/8 6 8 0.880 0.920 2.37 2.005 2.050
1-1/2 6 8 0.960 1.000 2.56 2.175 2.220
1-3/4 5 7 1.110 1.170 2.98 2.520 2.580
2 4.5 7 1.270 1.330 3.19 2.700 2.760