Brass Nuts & Washers

Heavy Hex Nut

Heavy Hex Nut

 

Materials Include :

18-8 ss, 316 ss, 400 series ss, Brass, Silicone Bronze, Monel, Carbon Steels, Alloy Steels, Aluminum.

Finishes Include :

Zinc, Cadmium, Nickel Silver & Chrome Plating, Black Oxide, Anodize, Passivation and Heat Treating.

Brass Nuts and Washers 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.

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