重型六角螺母和重型六角锁紧螺母

尺寸图和技术图

1927_WdZDqK_b18.2.2-table10.jpg

关键尺寸和技术参数

Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.2 - Table 10

Publication date: 2010

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