ASME B18.2.2 Hex Thick Nuts
| Nominal Size or Basic Major Dia. of Thread | Width Across Flats F | Width Across Corners G | Thickness H | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Basic | Max. | Min. | Max. | Min. | Basic | Max. | Min. | ||
| ASME B18.2.2 - 1⁄4 | 0.25 | 7⁄16 | 0.438 | 0.428 | 0.505 | 0.488 | 9⁄32 | 0.288 | 0.274 |
| ASME B18.2.2 - 5⁄16 | 0.3125 | 1⁄2 | 0.5 | 0.489 | 0.577 | 0.557 | 21⁄64 | 0.336 | 0.32 |
| ASME B18.2.2 - 3⁄8 | 0.375 | 9⁄16 | 0.562 | 0.551 | 0.65 | 0.628 | 13⁄32 | 0.415 | 0.398 |
| ASME B18.2.2 - 7⁄16 | 0.4375 | 11⁄16 | 0.688 | 0.675 | 0.794 | 0.768 | 29⁄64 | 0.463 | 0.444 |
| ASME B18.2.2 - 1⁄2 | 0.5 | 3⁄4 | 0.75 | 0.736 | 0.866 | 0.84 | 9⁄16 | 0.573 | 0.552 |
| ASME B18.2.2 - 9⁄16 | 0.5625 | 7⁄8 | 0.875 | 0.861 | 1.01 | 0.982 | 39⁄64 | 0.621 | 0.598 |
| ASME B18.2.2 - 5⁄8 | 0.625 | 15⁄16 | 0.938 | 0.922 | 1.083 | 1.051 | 23⁄32 | 0.731 | 0.706 |
| ASME B18.2.2 - 3⁄4 | 0.75 | 1 1⁄8 | 1.125 | 1.088 | 1.299 | 1.24 | 13⁄16 | 0.827 | 0.798 |
| ASME B18.2.2 - 7⁄8 | 0.875 | 1 5⁄16 | 1.312 | 1.269 | 1.516 | 1.447 | 29⁄32 | 0.922 | 0.89 |
| ASME B18.2.2 - 1 | 1 | 1 1⁄2 | 1.5 | 1.45 | 1.732 | 1.653 | 1 | 1.018 | 0.982 |
| ASME B18.2.2 - 1 1⁄8 | 1.125 | 1 11⁄16 | 1.688 | 1.631 | 1.949 | 1.859 | 15⁄32 | 1.176 | 1.136 |
| ASME B18.2.2 - 1 1⁄4 | 1.25 | 1 7⁄8 | 1.875 | 1.812 | 2.165 | 2.066 | 11⁄4 | 1.272 | 1.228 |
| ASME B18.2.2 - 1 3⁄8 | 1.375 | 2 1⁄16 | 2.062 | 1.994 | 2.382 | 2.273 | 13⁄8 | 1.399 | 1.351 |
| ASME B18.2.2 - 1 1⁄2 | 1.5 | 2 1⁄4 | 2.25 | 2.175 | 2.598 | 2.48 | 11⁄2 | 1.526 | 1.474 |
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