| Thread Diameter ‘D’ |
Width Across Flats ‘F’ |
Width Across Points ‘G’ |
Thickness Heavy Hex Nuts ‘H’ |
Thickness Heavy Hex Jam Nuts ‘H1’ |
Heavy Hex Nuts Wt Each (lbs) |
Heavy Hex Jam Nuts Wt Each (lbs) |
|---|---|---|---|---|---|---|
| 1 | 1-5/8 | 1-7/8 | 6-3/64 | 35/64 | 0.4 | 0.2 |
| 1-1/8 | 1-7/8 | 2-3/16 | 1-7/64 | 39/64 | 0.6 | 0.4 |
| 1-1/4 | 2 | 2-5/16 | 1-7/32 | 23/32 | 0.8 | 0.5 |
| 1-3/8 | 2-1/4 | 2-5/8 | 1-11/32 | 25/32 | 1.1 | 0.6 |
| 1-1/2 | 2-3/8 | 2-3/4 | 1-15/32 | 27/32 | 1.3 | 0.7 |
| 1-5/8 | 2-5/8 | 3-1/16 | 1-19/32 | 29/32 | 1.8 | 1.0 |
| 1-3/4 | 2-3/4 | 3-3/16 | 1-23/32 | 31/32 | 2.0 | 1.1 |
| 1-7/8 | 3 | 3-7/16 | 1-27/32 | 11/32 | 2.6 | 1.5 |
| 2 | 3-1/8 | 3-5/8 | 1-31/32 | 13/32 | 3.0 | 1.6 |
| 2-1/4 | 31/2 | 4-1/16 | 2-13/64 | 1-13/64 | 4.1 | 2.3 |
| 2-1/2 | 3-7/8 | 4-1/2 | 2-29/64 | 1-29/64 | 5.6 | 3.3 |
| 2-3/4 | 4-1/4 | 4-15/16 | 2-45/64 | 1-37/64 | 7.4 | 4.3 |
| 3 | 4-5/8 | 5-5/16 | 2-61/64 | 1-45/64 | 9.6 | 5.5 |
| 3-1/4 | 5 | 5-3/4 | 3-3/16 | 1-13/16 | 12.0 | 6.8 |
| 3-1/2 | 5-3/8 | 6-3/16 | 3-7/16 | 1-15/16 | 15.0 | 8.4 |
| 3-3/4 | 5-3/4 | 6-5/8 | 3-11/16 | 2-1/16 | 18.0 | 10.0 |
| 4 | 6-1/8 | 7-1/16 | 3-15/16 | 2-3/16 | 22.0 | 12.0 |
| 4-1/2 | 6-7/8 | 7-15/16 | 4-7/16 | 2-7/16 | 31.0 | 17.0 |
| 5 | 7-5/8 | 8-13/16 | 4-15/16 | 2-11/16 | 43.0 | 23.0 |