| Nominal Size |
F |
G |
H |
H1 |
Runout of bearing Face,FIM |
| Width Across Flats |
Width Across Corner |
Thickness Heavy Hex Nuts |
Thickness Heavy Hex Jam Nuts |
Heavy Hex Nuts |
Jam Nuts |
| Up to 150,000psi |
All strength levels |
| 1 |
15/8 |
1.876 |
63/64 |
35/64 |
0.031 |
0.031 |
| 11/8 |
113/16 |
2.093 |
17/64 |
39/64 |
0.033 |
0.033 |
| 11/4 |
2 |
2.309 |
17/32 |
23/32 |
0.035 |
0.035 |
| 13/8 |
23/16 |
2.526 |
1 11/32 |
25/32 |
0.038 |
0.038 |
| 11/2 |
23/8 |
2.742 |
1 15/32 |
27/32 |
0.041 |
0.041 |
| 15/8 |
29/16 |
2.959 |
1 19/32 |
29/32 |
0.044 |
0.044 |
| 13/4 |
23/4 |
3.175 |
1 23/32 |
31/32 |
0.048 |
0.048 |
| 17/8 |
215/16 |
3.392 |
1 27/32 |
1 1/32 |
0.051 |
0.051 |
| 2 |
31/8 |
3.608 |
1 31/32 |
1 3/32 |
0.055 |
0.055 |
| 21/4 |
31/2 |
4.041 |
2 13/64 |
1/13/64 |
0.061 |
0.061 |
| 21/2 |
37/8 |
4.474 |
2 29/64 |
1 29/64 |
0.068 |
0.068 |
| 23/4 |
41/4 |
4.907 |
2 45/64 |
1 37/64 |
0.074 |
0.074 |
| 3 |
45/8 |
5.340 |
2 61/64 |
1 45/64 |
0.081 |
0.081 |
| 31/4 |
5 |
5.774 |
3 3/16 |
1 13/16 |
0.087 |
0.087 |
| 31/2 |
53/8 |
6.207 |
3 7/16 |
1 15/16 |
0.094 |
0.094 |
| 33/4 |
53/4 |
6.640 |
3 11/16 |
2 1/16 |
0.100 |
0.100 |
| 4 |
61/8 |
7.073 |
3 15/16 |
2 3/16 |
0.107 |
0.107 |
|
