| Nominal Or Basic Major Dia of Thread | F | G | H | H1 | |||||||||||||||
| Width Across Flats | Width Across Comers | Thickness Hex Nuts & Reversible Lock Nuts | Thickness Hex Jam Nuts | ||||||||||||||||
| Basic | Max | Min | Max | Min | Basic | Max | Mmin | Basic | Max | Min | |||||||||
|
11/32 3/8 7/16 1/2 |
0.344 0.375 0.438 0.500 |
0.332 0.362 0.428 0.489 |
0.397 0.433 0.505 0.577 |
0.378 0.413 0.488 0.557 |
-- -- 7/32 17/64 |
0.203 0.203 0.226 0.273 |
0.187 0.187 0.212 0.258 |
-- -- 5/32 3/16 |
-- -- 0.164 0.195 |
-- -- 0.150 0.180 |
||||||||
|
9/16 11/16 3/4 7/8 |
0.562 0.688 0.750 0.875 |
0.551 0.675 0.736 0.861 |
0.650 0.794 0.866 1.010 |
0.628 0.768 0.840 0.982 |
21/64 3/8 7/16 31/64 |
0.337 0.385 0.448 0.496 |
0.320 0.365 0.427 0.473 |
7/32 1/4 5/16 5/16 |
0.227 0.260 0.323 0.324 |
0.210 0.240 0.302 0.301 |
||||||||
|
15/16 1-1/8 1-5/16 1-1/2 |
0.938 1.125 1.312 1.500 |
0.922 1.088 1.269 1.450 |
1.083 1.299 1.516 1.732 |
1.051 1.240 1.447 1.653 |
35/64 41/64 3/4 55/64 |
0.559 0.665 0.776 0.887 |
0.535 0.617 0.724 0.831 |
3/8 27/64 31/64 35/64 |
0.387 0.446 0.510 0.575 |
0.363 0.398 0.458 0.519 |
||||||||
|
1-11/16 1-7/8 2-1/16 2-1/4 |
1.688 1.875 2.062 2.250 |
1.631 1.812 1.994 2.175 |
1.949 2.165 2.382 2.598 |
1.859 2.066 2.273 2.480 |
31/32 1-1/6 1-11/64 1-9/32 |
0.999 1.094 1.206 1.317 |
0.939 1.030 1.138 1.245 |
39/64 23/32 25/32 27/32 |
0.639 0.751 0.815 0.880 |
0.579 0.687 0.747 0.808 |
||||||||
|
2-7/16 2-5/8 3 3-3/8 |
2.438 2.625 3.000 3.375 |
2.356 2.538 2.900 3.263 |
2.815 3.031 3.464 3.897 |
2.686 2.893 3.306 3.719 |
1-25/64 1-1/2 1-23/32 1-15/16 |
1.429 1.540 1.763 1.986 |
1.353 1.460 1.675 1.890 |
29/32 31/32 1-3/32 1-7/32 |
0.945 1.009 1.138 1.267 |
0.869 0.929 1.050 1.171 |
||||||||
|
3-3/4 4-1/8 4-1/2 |
3.750 4.125 4.500 |
3.625 3.988 4.350 |
4.330 4.763 5.196 |
4.133 4.546 4.959 |
2-5/32 2-3/8 2-19/32 |
2.209 2.431 2.654 |
2.105 2.319 2.534 |
1-11/32 1-15/32 1-19/32 |
1.396 1.525 1.654 |
1.292 1.413 1.534 |
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