Heavy Hex Nuts and Heavy Hex Jam Nuts
ASME B18.2.2 Dimensions of Heavy Hex Nuts and Heavy Hex Jam Nuts
All dimensions are in mm unless mentioned otherwise
Nominal Size inch | Basic Major Diameter of Thread | Widtf Across Flats, F | Width Across Corners, G | Thickness Heavy Hex Flat Nuts, H | Thickness Hex , Flat Jam Nuts,, H1 | Bearing Surface Runout to Thread Axis, FLM |
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Basic inch | Min. | Max | Min. | Max | Basic inch | Min. | Max | Basic inch | Min. | Max | |||
1 1/8 | 1.1250 | 1 13/16 | 1.756 | 1.812 | 2.002 | 2.093 | 1 1/8 | 1.079 | 1.155 | 5/8 | 0.579 | 0.655 | 0.032 |
1 1/4 | 1.2500 | 2 | 1.938 | 2.000 | 2.209 | 2.309 | 1 1/4 | 1.187 | 1.282 | 3/4 | 0.687 | 0.782 | 0.034 |
1 3/8 | 1.3750 | 2 3/16 | 2.119 | 2.188 | 2.416 | 2.526 | 1 3/8 | 1.310 | 1.409 | 13/16 | 0.747 | 0.846 | 0.038 |
1 1/2 | 1.5000 | 2 3/8 | 2.300 | 2.375 | 2.622 | 2.742 | 1 1/2 | 1.433 | 1.536 | 7/8 | 0.808 | 0.911 | 0.041 |
1 3/4 | 1.7500 | 2 3/4 | 2.662 | 2.750 | 3.035 | 3.175 | 1 3/4 | 1.679 | 1.790 | 1 | 0.929 | 1.040 | 0.048 |
2 | 2.0000 | 3 1/8 | 3.025 | 3.125 | 3.449 | 3.608 | 2 | 1.925 | 2.044 | 1 1/8 | 1.050 | 1.169 | 0.054 |
2 1/4 | 2.2500 | 3 1/2 | 3.388 | 3.500 | 3.862 | 4.041 | 2 1/4 | 2.155 | 2.298 | 1 1/4 | 1.155 | 1.298 | 0.061 |
2 1/2 | 2.5000 | 3 7/8 | 3.750 | 3.875 | 4.275 | 4.474 | 2 1/2 | 2.401 | 2.552 | 1 1/2 | 1.401 | 1.552 | 0.067 |
2 3/4 | 2.7500 | 4 1/4 | 4.112 | 4.250 | 4.688 | 4.907 | 2 3/4 | 2.647 | 2.806 | 1 5/8 | 1.522 | 1.681 | 0.074 |
3 | 3.0000 | 4 5/8 | 4.475 | 4.625 | 5.102 | 5.340 | 3 | 2.893 | 3.060 | 1 3/4 | 1.643 | 1.810 | 0.080 |
3 1/4 | 3.2500 | 5 | 4.838 | 5.000 | 5.515 | 5.774 | 3 1/4 | 3.124 | 3.314 | 1 7/8 | 1.748 | 1.939 | 0.087 |
3 1/2 | 3.5000 | 5 3/8 | 5.200 | 5.375 | 5.928 | 6.207 | 3 1/2 | 3.370 | 3.568 | 2 | 1.870 | 2.068 | 0.093 |
3 3/4 | 3.7500 | 5 3/4 | 5.562 | 5.750 | 6.341 | 6.640 | 3 3/4 | 3.616 | 3.822 | 2 1/8 | 1.990 | 2.197 | 0.100 |
4 | 4.0000 | 6 1/8 | 5.925 | 6.125 | 6.755 | 7.073 | 4 | 3.862 | 4.076 | 2 1/4 | 2.112 | 2.326 | 1.060 |