Square Nuts [Table 2] (SAE J995 / ASTM F594 / F467)
ASME B 18.2.2 - 2015
Display drawing:
| Screw Thread | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 5/8 | 3/4 | 7/8 | 1 | 1-1/8 | 1-1/4 | 1-3/8 | 1-1/2 | ||
| D | 0.2500 | 0.3125 | 0.3750 | 0.4375 | 0.5000 | 0.6250 | 0.7500 | 0.8750 | 1.0000 | 1.125 | 1.25 | 1.375 | 1.5 | ||
| PP | UNC | 20 | 18 | 16 | 14 | 13 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | |
| PP | UNF | 28 | 24 | 24 | 20 | 20 | 18 | 16 | 14 | 12 | 12 | 12 | 12 | 12 | |
| PP | 8UN | None | None | None | None | None | None | None | None | None | 8 | 8 | 8 | 8 | |
| S | Min | 0.425 | 0.547 | 0.606 | 0.728 | 0.788 | 0.969 | 1.088 | 1.269 | 1.450 | 1.631 | 1.812 | 1.994 | 2.175 | |
| S | Max | 0.438 | 0.562 | 0.625 | 0.750 | 0.812 | 1.000 | 1.125 | 1.312 | 1.500 | 1.688 | 1.875 | 2.062 | 2.25 | |
| E | Min | 0.554 | 0.721 | 0.802 | 0.970 | 1.052 | 1.300 | 1.464 | 1.712 | 1.961 | 2.209 | 2.458 | 2.708 | 2.956 | |
| E | Max | 0.619 | 0.795 | 0.884 | 1.061 | 1.149 | 1.414 | 1.591 | 1.856 | 2.121 | 2.386 | 2.652 | 2.917 | 3.182 | |
| M | Min | 0.203 | 0.249 | 0.310 | 0.356 | 0.418 | 0.525 | 0.632 | 0.740 | 0.847 | 0.97 | 1.062 | 1.169 | 1.276 | |
| M | Max | 0.235 | 0.283 | 0.346 | 0.394 | 0.458 | 0.569 | 0.680 | 0.792 | 0.903 | 1.03 | 1.126 | 1.237 | 1.348 | |