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| Brass Nuts |
| Heavy Hex Nuts |
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| Materials Include : 18-8 ss, 316 ss, 400 series ss, Brass, Silicone Bronze, Monel, Carbon Steels, Alloy Steels, Aluminum. |
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| Finishes Include : Zinc, Cadmium, Nickel Silver & Chrome Plating, Black Oxide, Anodize, Passivation and Heat Treating. |
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| Heavy hex jam nuts are tightened against the work surface and a heavy hex or finished hex nut is secured |
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G |
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H |
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| Nominal or |
Basic Major |
Width |
Across |
Flats |
Width Across |
Corners |
Thickness |
of Hex |
Nuts |
| Diameter |
of Thread |
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
| 1/4" |
0.2500 |
1/2" |
0.500 |
0.488 |
0.577 |
0.556 |
11/64" |
0.188 |
0.156 |
| 5/16" |
0.3125 |
9/16" |
0.562 |
0.546 |
0.650 |
0.622 |
13/64" |
0.220 |
0.186 |
| 3/8" |
0.3750 |
11/16" |
0.688 |
0.669 |
0.794 |
0.763 |
15/64" |
0.252 |
0.216 |
| 7/16" |
0.4375 |
3/4" |
0.750 |
0.728 |
0.866 |
0.830 |
17/64" |
0.285 |
0.247 |
| 1/2" |
0.5000 |
7/8" |
0.875 |
0.850 |
1.010 |
0.969 |
19/64" |
0.317 |
0.277 |
| 9/16" |
0.5625 |
15/16" |
0.938 |
0.909 |
1.083 |
1.037 |
21/64" |
0.349 |
0.307 |
| 5/8" |
0.6250 |
1-1/16" |
1.062 |
1.031 |
1.227 |
1.175 |
23/64" |
0.381 |
0.337 |
| 3/4" |
0.7500 |
1-1/4" |
1.250 |
1.212 |
1.443 |
1.382 |
27/64" |
0.446 |
0.398 |
| 7/8" |
0.8750 |
1-7/16" |
1.438 |
1.394 |
1.660 |
1.589 |
31/64" |
0.510 |
0.458 |
| 1" |
1.0000 |
1-5/8" |
1.625 |
1.575 |
1.876 |
1.796 |
35/64" |
0.575 |
0.519 |
| 1-1/8" |
1.1250 |
1-13/16" |
1.812 |
1.756 |
2.093 |
2.002 |
23/32" |
0.639 |
0.579 |
| 1-1/4" |
1.2500 |
2" |
2.000 |
1.938 |
2.309 |
2.209 |
25/32" |
0.751 |
0.687 |
| 1-3/8" |
1.3750 |
2-3/16" |
2.188 |
2.119 |
2.526 |
2.416 |
27/32" |
0.815 |
0.747 |
| 1-1/2" |
1.5000 |
2-3/8" |
2.375 |
2.300 |
2.742 |
2.622 |
29/32" |
0.880 |
0.808 |
| 1-5/8" |
1.6250 |
2-9/16" |
2.562 |
2.481 |
2.959 |
2.828 |
31/32" |
0.944 |
0.868 |
| 1-3/4" |
1.7500 |
2-3/4" |
2.750 |
2.662 |
3.175 |
3.035 |
1-1/32" |
1.009 |
0.929 |
| 2" |
2.0000 |
3-1/8" |
3.125 |
3.025 |
3.608 |
3.449 |
1-3/32" |
1.138 |
1.050 |
| 2-1/4" |
2.2500 |
3-1/2" |
3.500 |
3.388 |
4.041 |
3.862 |
1-13/64" |
1.251 |
1.155 |
| 2-1/2" |
2.5000 |
3-7/8" |
3.875 |
3.750 |
4.474 |
4.275 |
1-29/64" |
1.505 |
1.401 |
| 2-3/4" |
2.7500 |
4-1/4" |
4.250 |
4.112 |
4.907 |
4.688 |
1-37/64" |
1.634 |
1.522 |
| 3" |
3.0000 |
4-5/8" |
4.625 |
4.475 |
5.340 |
5.102 |
1-45/64" |
1.763 |
1.643 |
| 3-1/4" |
3.2500 |
5" |
5.000 |
4.838 |
5.774 |
5.515 |
1-13/16" |
1.876 |
1.748 |
| 3-1/2" |
3.5000 |
5-3/8" |
5.375 |
5.200 |
6.207 |
5.928 |
1-15/16" |
2.006 |
1.870 |
| 3-3/4" |
3.7500 |
5-3/4" |
5.750 |
5.562 |
6.640 |
6.341 |
2-1/16" |
2.134 |
1.990 |
| 4" |
4.0000 |
6-1/8" |
6.125 |
5.925 |
7.073 |
6.755 |
2-3/16" |
2.264 |
2.112 |
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