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Square Nuts

Square Nuts

Made from mild steel. Stocked in diameters from #4 to 1 1/2".

Group codes represented: SQN
Part# examples: 50USQN, 87SSQN, 112ASQN

Nominal or Basic Major Diameter of Thread
F
G
H
Width Across Flats
Width Across Corners
Thickness
Basic
Max
Min
Max
Min
Basic
Max
Min
1/4
0.25
7/16
0.438
0.425
0.619
0.554
7/32
0.235
0.203
5/16
0.3125
9/16
0.562
0.547
0.795
0.721
17/64
0.283
0.249
3/8
0.375
5/8
0.625
0.606
0.884
0.802
21/64
0.346
0.310
7/16
0.4375
3/4
0.75
0.728
1.061
0.97
3/8
0.394
0.356
1/2
0.5
13/16
0.812
0.788
1.149
1.052
7/16
0.458
0.418
5/8
0.625
1
1
0.969
1.414
1.3
35/64
0.569
0.525
3/4
0.75
1-1/8
1.125
1.088
1.591
1.464
21/32
0.680
0.632
7/8
0.875
1-5/16
1.312
1.269
1.856
1.712
49/64
0.792
0.74
1
1
1-1/2
1.5
1.450
2.121
1.961
7/8
0.903
0.847
1 1/4
1.25
1-7/8
1.875
1.812
2.652
2.458
1-3/32
1.126
1.062
1-1/2
1.5
2-1/4
2.25
2.175
3.182
2.956
1-5/16
1.348
1.276

 

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