Brass Heavy Hex Nuts
Heavy hex nuts are the strongest of all the comparably-graded nut designs because of its greater length of thread engagement and greater resistance to widening and stretching.
Materials Include : BS 2874 – CZ 121 Pb3 CZ 122 UNS C36000 CDA 360 DZR Brass BS 2874 – CZ 131 CW 614 N EN 12164 BS 2874 – CZ 114 BS 2874 – CZ 115
Finishes Include : Zinc, Cadmium, Nickel Silver & Chrome Plating, Black Oxide, Anodize, Passivation and Heat Treating.
Brass Heavy Hex Nuts
| Nominal or Basic Major Diameter of Thread |
F | G | H | ||||||
| Width Across Flats | Width Across Corners | Thickness of Hex Nuts | |||||||
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4″ | 0.2500 | 1/2″ | 0.500 | 0.488 | 0.577 | 0.556 | 15/64″ | 0.250 | 0.218 |
| 5/16″ | 0.3125 | 9/16″ | 0.562 | 0.546 | 0.650 | 0.622 | 19/64″ | 0.314 | 0.280 |
| 3/8″ | 0.3750 | 11/16″ | 0.688 | 0.669 | 0.794 | 0.763 | 23/64″ | 0.377 | 0.341 |
| 7/16″ | 0.4375 | 3/4″ | 0.750 | 0.728 | 0.866 | 0.830 | 27/64″ | 0.441 | 0.403 |
| 1/2″ | 0.5000 | 7/8″ | 0.875 | 0.850 | 1.010 | 0.969 | 31/64″ | 0.504 | 0.464 |
| 9/16″ | 0.5625 | 15/16″ | 0.938 | 0.909 | 1.083 | 1.037 | 35/64″ | 0.568 | 0.526 |
| 5/8″ | 0.6250 | 1-1/16″ | 1.062 | 1.031 | 1.227 | 1.175 | 39/64″ | 0.631 | 0.587 |
| 3/4″ | 0.7500 | 1-1/4″ | 1.250 | 1.212 | 1.443 | 1.382 | 47/64″ | 0.758 | 0.710 |
| 7/8″ | 0.8750 | 1-7/16″ | 1.438 | 1.394 | 1.660 | 1.589 | 55/64″ | 0.885 | 0.833 |
| 1″ | 1.0000 | 1-5/8″ | 1.625 | 1.575 | 1.876 | 1.796 | 63/64″ | 1.012 | 0.956 |
| 1-1/8″ | 1.1250 | 1-13/16″ | 1.812 | 1.756 | 2.093 | 2.002 | 1-7/64″ | 1.139 | 1.079 |
| 1-1/4″ | 1.2500 | 2″ | 2.000 | 1.938 | 2.309 | 2.209 | 1-7/32″ | 1.251 | 1.187 |
| 1-3/8″ | 1.3750 | 2-3/16″ | 2.188 | 2.119 | 2.526 | 2.416 | 1-11/32″ | 1.378 | 1.310 |
| 1-1/2″ | 1.5000 | 2-3/8″ | 2.375 | 2.300 | 2.742 | 2.622 | 1-15/32″ | 1.505 | 1.433 |
| 1-5/8″ | 1.6250 | 2-9/16″ | 2.562 | 2.481 | 2.959 | 2.828 | 1-19/32″ | 1.632 | 1.556 |
| 1-3/4″ | 1.7500 | 2-3/4″ | 2.750 | 2.662 | 3.175 | 3.035 | 1-23/32″ | 1.759 | 1.679 |
| 2″ | 2.0000 | 3-1/8″ | 3.125 | 3.025 | 3.608 | 3.449 | 1-31/32″ | 2.013 | 1.925 |
| 2-1/4″ | 2.2500 | 3-1/2″ | 3.500 | 3.388 | 4.041 | 3.862 | 2-13/64″ | 2.251 | 2.155 |
| 2-1/2″ | 2.5000 | 3-7/8″ | 3.875 | 3.750 | 4.474 | 4.275 | 2-29/64″ | 2.505 | 2.401 |
| 2-3/4″ | 2.7500 | 4-1/4″ | 4.250 | 4.112 | 4.907 | 4.688 | 2-45/64″ | 2.759 | 2.647 |
| 3″ | 3.0000 | 4-5/8″ | 4.625 | 4.475 | 5.340 | 5.102 | 2-61/64″ | 3.013 | 2.893 |
| 3-1/4″ | 3.2500 | 5″ | 5.000 | 4.838 | 5.774 | 5.515 | 3-3/16″ | 3.252 | 3.124 |
| 3-1/2″ | 3.5000 | 5-3/8″ | 5.375 | 5.200 | 6.207 | 5.928 | 3-7/16″ | 3.506 | 3.370 |
| 3-3/4″ | 3.7500 | 5-3/4″ | 5.750 | 5.562 | 6.640 | 6.341 | 3-11/16″ | 3.760 | 3.616 |
| 4″ | 4.0000 | 6-1/8″ | 6.125 | 5.925 | 7.073 | 6.755 | 3-15/16″ | 4.014 | 3.862 |
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