REGULAR
SQUARE NUTS DIMENSIONS |
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All Dimensions in Inches | ![]() |
Size | Across Flats | Thickness |
1/4-20 | 7/16 | 7/32 |
5/16-18 | 9/16 | 17/64 |
3/8-16 | 5/8 | 21/64 |
7/16-14 | 3/4 | 3/8 |
1/2-13 | 13/16 | 7/16 |
5/8-11 | 1 | 35/64 |
3/4-10 | 1-1/8 | 21/32 |
7/8-9 | 1-5/16 | 49/64 |
1-8 | 1-1/2 | 7/8 |
1-1/8-7 | 1-11/16 | 1 |
1-1/4-7 | 1-7/8 | 1-3/32 |
1-1/2-6 | 2-1/4 | 1-5/16 |
2-4-1/2 | 3 | 1-3/4 |