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| Brass Nuts |
| Square Nuts |
| Square Nuts are four-sided with a flat bottom side and a chamfered, washer-crowned top. |
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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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| A square nut is designed for use with square bolts. |
| F |
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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 Square |
Nuts |
| Diameter |
of Thread |
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
| 1/4" |
0.2500 |
7/16" |
0.438 |
0.428 |
0.619 |
0.554 |
7/32" |
0.235 |
0.203 |
| 5/16" |
0.3125 |
1/2" |
0.500 |
0.489 |
0.795 |
0.721 |
17/64" |
0.283 |
0.249 |
| 3/8" |
0.3750 |
9/16" |
0.562 |
0.551 |
0.884 |
0.802 |
21/64" |
0.346 |
0.310 |
| 7/16" |
0.4375 |
11/16" |
0.688 |
0.675 |
1.061 |
0.970 |
3/8" |
0.394 |
0.356 |
| 1/2" |
0.5000 |
3/4" |
0.750 |
0.736 |
1.149 |
1.052 |
7/16" |
0.458 |
0.418 |
| 5/8" |
0.6250 |
15/16" |
0.938 |
0.922 |
1.414 |
1.300 |
35/64" |
0.569 |
0.525 |
| 3/4" |
0.7500 |
1-1/8" |
1.125 |
1.088 |
1.591 |
1.464 |
21/32" |
0.680 |
0.632 |
| 7/8" |
0.8750 |
1-5/16" |
1.312 |
1.269 |
1.856 |
1.712 |
49/64" |
0.792 |
0.740 |
| 1" |
1.0000 |
1-1/2" |
1.500 |
1.450 |
2.121 |
1.961 |
7/8" |
0.903 |
0.847 |
| 1-1/8" |
1.1250 |
1-11/16" |
1.688 |
1.631 |
2.386 |
2.209 |
1" |
1.030 |
0.970 |
| 1-1/4" |
1.2500 |
1-7/8" |
1.875 |
1.812 |
2.652 |
2.458 |
1-3/32" |
1.126 |
1.062 |
| 1-1/2" |
1.5000 |
2-1/4" |
2.250 |
2.175 |
3.182 |
2.956 |
1-5/16" |
1.348 |
1.276 |
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