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A194 2H Heavy Hex Nuts

A194 2H Heavy Hex Nuts


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A194 2H Heavy Hex Nuts

A194 2H Heavy Hex Nuts are manufactured from 1045 steel to meet or exceed ASTM A194 Grade 2H. Hot-Dip Galvanized material will meet or exceed ASTM A153 and/or ASTM F2329. Galvanized nuts are over tapped per ASTM A563. Typical hardness is HRC 24-35 for diameters up to 1 1/2 inches, HRB 95 - HRC 35 for diameters over 1 1 1/2 inches. Proof load strength is 175,000 psi.

 
A194 2H Heavy Hex Nuts
Nominal Size or Basic
Major Diameter
of Thread
Width Across Flats Width Across
Corners
Thickness
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