| Hex Jam Nuts: Dimensions (ANSI/ASME B18.2.2-1987) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
Nominal or Basic Major Diameter of Thread Click on the size to shop products |
Width Across Flats (F) |
Width Across Corners (G) | Thickness of Hex Jam Nuts (H) | ||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | 0.2500 | 7/16 | .438 | .428 | .505 | .488 | 5/32 | 0.163 | 0.150 |
| 5/16 | 0.3125 | 1/2 | .500 | .489 | .577 | .557 | 3/16 | 0.195 | 0.180 |
| 3/8 | 0.3750 | 9/16 | .562 | .551 | .650 | .628 | 7/32 | 0.227 | 0.210 |
| 7/16 | 0.4375 | 11/16 | .688 | .675 | .794 | .768 | 1/4 | 0.260 | 0.240 |
| 1/2 | 0.5000 | 3/4 | .750 | .736 | .866 | .840 | 5/16 | 0.323 | 0.302 |
| 9/16 | 0.5625 | 7/8 | .875 | .861 | 1.010 | .982 | 5/16 | 0.324 | 0.301 |
| 5/8 | 0.6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 3/8 | 0.387 | 0.363 |
| 3/4 | 0.7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 24/64 | 0.446 | 0.398 |
| 7/8 | 0.8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 31/64 | 0.510 | 0.458 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 35/64 | .575 | 0.519 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 39/64 | .639 | .579 |
| 1-1/4 | 1.2500 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 23/32 | .751 | .687 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 25/32 | .815 | .747 |
| 1-1/2 | 1.5000 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 27/32 | .880 | .808 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 31/32 | 1.009 | .929 |
| 2 | 2.000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-3/32 | 1.138 | 1.050 |
| 2-1/4 | 2.2500 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 1-13/64 | 1.251 | 1.155 |
| 2-1/2 | 2.5000 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 1-29/64 | 1.505 | 1.401 |
