ASME B18.2.2 Heavy Hex Flat Jam Nuts
| Nominal Size or Basic Major Dia. of Thread | Width Across FlatsF | Width Across CornersG | Thickness, Heavy Hex Flat Jam Nuts H1 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Basic | Max. | Min. | Max. | Min. | Basic | Max. | Min. | ||
| ASME B18.2.2 - 1 1⁄8 | 1.125 | 113⁄16 | 1.812 | 1.756 | 2.093 | 2.002 | 5⁄8 | 0.655 | 0.579 |
| ASME B18.2.2 - 1 1⁄4 | 1.25 | 2 | 2 | 1.938 | 2.309 | 2.209 | 3⁄4 | 0.782 | 0.687 |
| ASME B18.2.2 - 1 3⁄8 | 1.375 | 23⁄16 | 2.188 | 2.119 | 2.526 | 2.416 | 1 3⁄16 | 0.846 | 0.747 |
| ASME B18.2.2 - 1 1⁄2 | 1.5 | 23⁄8 | 2.375 | 2.3 | 2.742 | 2.622 | 7⁄8 | 0.911 | 0.808 |
| ASME B18.2.2 - 1 3⁄4 | 1.75 | 23⁄4 | 2.75 | 2.662 | 3.175 | 3.035 | 1 | 1.04 | 0.929 |
| ASME B18.2.2 - 2 | 2 | 31⁄8 | 3.125 | 3.025 | 3.608 | 3.449 | 1 1⁄8 | 1.169 | 1.05 |
| ASME B18.2.2 - 2 1⁄4 | 2.25 | 31⁄2 | 3.5 | 3.388 | 4.041 | 3.862 | 1 1⁄4 | 1.298 | 1.155 |
| ASME B18.2.2 - 2 1⁄2 | 2.5 | 37⁄8 | 3.875 | 3.75 | 4.474 | 4.275 | 1 1⁄2 | 1.552 | 1.401 |
| ASME B18.2.2 - 2 3⁄4 | 2.75 | 41⁄4 | 4.25 | 4.112 | 4.907 | 4.688 | 1 5⁄8 | 1.681 | 1.522 |
| ASME B18.2.2 - 3 | 3 | 45⁄8 | 4.625 | 4.475 | 5.34 | 5.102 | 1 3⁄4 | 1.81 | 1.643 |
| ASME B18.2.2 - 3 1⁄4 | 3.25 | 5 | 5 | 4.838 | 5.774 | 5.515 | 1 7⁄8 | 1.939 | 1.748 |
| ASME B18.2.2 - 3 1⁄2 | 3.5 | 53⁄8 | 5.375 | 5.2 | 6.207 | 5.928 | 2 | 2.068 | 1.87 |
| ASME B18.2.2 - 3 3⁄4 | 3.75 | 53⁄4 | 5.75 | 5.562 | 6.64 | 6.341 | 2 1⁄8 | 2.197 | 1.99 |
| ASME B18.2.2 - 4 | 4 | 61⁄8 | 6.125 | 5.925 | 7.073 | 6.755 | 2 1⁄4 | 2.326 | 2.112 |
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