Brass Nuts & Washers

Square Nut

Square Nut

 

Square Nuts are four-sided with a flat bottom side and a chamfered, washer-crowned top.

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.

A square nut is designed for use with square bolts.

Nominal or Basic Major
Diameterof Thread
F G H
Width Across Flats Width Across Corners Thickness of Square Nuts
Basic Max Min Max Min Basic Max Min
1/4" 0.2500 7/16" 0.438 0.428 0.619 0.554 7/32" 0.235 0.203
5/16" 0.3125 1/2" 0.500 0.489 0.795 0.721 17/64" 0.283 0.249
3/8" 0.3750 9/16" 0.562 0.551 0.884 0.802 21/64" 0.346 0.310
7/16" 0.4375 11/16" 0.688 0.675 1.061 0.970 3/8" 0.394 0.356
1/2" 0.5000 3/4" 0.750 0.736 1.149 1.052 7/16" 0.458 0.418
5/8" 0.6250 15/16" 0.938 0.922 1.414 1.300 35/64" 0.569 0.525
3/4" 0.7500 1-1/8" 1.125 1.088 1.591 1.464 21/32" 0.680 0.632
7/8" 0.8750 1-5/16" 1.312 1.269 1.856 1.712 49/64" 0.792 0.740
1" 1.0000 1-1/2" 1.500 1.450 2.121 1.961 7/8" 0.903 0.847
1-1/8" 1.1250 1-11/16" 1.688 1.631 2.386 2.209 1" 1.030 0.970
1-1/4" 1.2500 1-7/8" 1.875 1.812 2.652 2.458 1-3/32" 1.126 1.062
1-1/2" 1.5000 2-1/4" 2.250 2.175 3.182 2.956 1-5/16" 1.348 1.276