ASME B18.2.2 TABLE 10 Standard Dimensioni per Hexagon nuts, inch series
Dadi esagonali chiave larga e dadi esagonali bassi chiave larga
Disegni dimensionali e diagrammi tecnici
Dimensioni chiave e parametri tecnici
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 - Table 10 Publication date: 2010 |
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|
d Thread size
|
Nr. of threads x inch |
G min
|
G max |
F basic max
|
F min | H min | H max | H1 min | H1 max | |
| UNC | UNF | |||||||||
| 1/4 | 20 | 28 | 0.556 | 0.577 | 0.500 | 0.488 | 0.218 | 0.250 |
0.156 |
0.188 |
| 5/16 | 18 | 24 | 0.622 | 0.650 | 0.562 | 0.546 | 0.280 | 0.314 | 0.186 | 0.220 |
| 3/8 | 16 | 24 | 0.763 | 0.794 | 0.688 | 0.669 | 0.341 | 0.377 | 0.216 | 0.252 |
| 7/16 | 14 | 20 | 0.83 | 0.866 | 0.75 | 0.728 | 0.403 | 0.441 | 0.247 | 0.285 |
|
1/2
|
13 | 20 |
0.969
|
1.010 | 0.875 | 0.850 | 0.464 | 0.504 | 0.277 | 0.317 |
| 9/16 | 12 | 18 | 1.037 | 1.083 | 0.938 | 0.909 | 0.526 | 0.568 | 0.307 | 0.349 |
|
5/8
|
11 | 18 | 1.175 | 1.227 | 1.063 | 1.031 | 0.587 | 0.631 | 0.337 | 0.381 |
|
3/4
|
10 | 16 | 1.383 | 1.443 |
1.25
|
1.212 | 0.710 | 0.758 | 0.398 | 0.446 |
|
7/8
|
9 | 14 | 1.589 | 1.660 |
1.438
|
1.394 | 0.833 | 0.885 | 0.458 | 0.510 |
|
1
|
8 | 12 | 1.769 | 1.876 |
1.625
|
1.575 | 0.956 | 1.012 | 0.519 | 0.575 |
| 1-1/8 | 7 | 12 | 2.002 | 2.093 | 1.813 | 1.756 | 1.079 | 1.139 | 0.579 | 0.639 |
| 1-1/4 | 7 | 12 | 2.209 | 2.309 | 2 | 1.938 | 1.187 | 1.251 | 0.687 | 0.751 |
| 1-3/8 | 6 | 12 | 2.416 | 2.526 | 2.188 | 2.119 | 1.310 | 1.378 | 0.747 | 0.815 |
| 1-1/2 | 6 | 12 | 2.622 | 2.742 | 2.375 | 2.300 | 1.433 | 1.505 | 0.808 | 0.880 |
| 1-5/8 | - | - | 2.829 | 2.959 | 2.563 | 2.481 | 1.556 | 1.632 | 0.868 | 0.944 |
| 1-3/4 | 5 | - | 3.035 | 3.175 | 2.75 | 2.662 | 1.679 | 1.759 | 0.929 | 1.009 |
| 1-7/8 | - | - | 3.242 | 3.392 | 2.938 | 2.844 | 1.802 | 1.886 | 0.989 | 1.073 |
| 2 | 4.5 | - | 3.449 | 3.608 | 3.125 | 3.025 | 1.925 | 2.013 | 1.050 | 1.138 |
| 2-1/4 | 4.5 | - | 3.862 | 4.041 | 3.5 | 3.388 | 2.155 | 2.251 | 1.155 | 1.251 |
| 2-1/2 | 4 | - | 4.275 | 4.474 | 3.875 | 3.750 | 2.401 | 2.505 | 1.401 | 1.505 |
| 2-3/4 | 4 | - | 4.688 | 4.907 | 4.25 | 4.112 | 2.647 | 2.759 | 1.522 | 1.634 |
| 3 | 4 | - | 5.102 | 5.340 | 4.625 | 4.4475 | 2.893 | 3.013 | 1.643 | 1.763 |
| 3-1/4 | 4 | - | 5.515 | 5.774 | 5 | 4.838 | 3.124 | 3.252 | 1.748 | 1.876 |
| 3-1/2 | 4 | - | 5.928 | 6.207 | 5.375 | 5.200 | 3.370 | 3.506 | 1.870 | 2.006 |
| 3-3/4 | 4 | - | 6.341 | 6.640 | 5.75 | 5.562 | 3.616 | 3.760 | 1.990 | 2.134 |
| 4 | 4 | - | 6.755 | 7.073 | 6.125 | 5.925 | 3.862 | 4.014 | 2.112 | 2.264 |