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Products Ranflex Metals
Ranflex Metals Ranflex Metals
Fasteners Heavy Hex Nuts Stainless Steel Fasteners

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Nuts
Nominal Size or Basic Major Dia. of Thread F G H
Width Across Flats Width Across Corners Thickness Heavy Hex Nuts
Basic Max. Min. Max. Min. Basic Max. Min.
1/4 0.2500
5/16 0.3125
3/8 0.3750
7/16 0.4375
1/2
9/16
11/16
3/4
0.500
0.562
0.688
0.750
0.488
0.546
0.669
0.728
0.577
0.650
0.794
0.866
0.556
0.622
0.763
0.830
15/64
19/64
23/64
27/64
0.250
0.314
0.377
0.441
0.218
0.280
0.341
0.403
1/2 0.5000
9/16 0.5625
5/8 0.6250
3/4 0.7500
7/8
15/16
1-1/16
1-1/4
0.875
0.938
1.062
1.250
0.850
0.909
1.031
1.212
1.010
1.083
1.227
1.443
0.969
1.037
1.175
1.382
31/64
35/64
39/64
47/64
0.504
0.568
0.631
0.758
0.464
0.526
0.587
0.710
7/8 0.8750
1 1.0000
1-1/8 1.1250
1-1/4 1.2500
1-7/16
1-5/8
1-13/16
2
1.438
1.625
1.812
2.000
1.394
1.575
1.756
1.938
1.660
1.876
2.093
2.309
1.589
1.796
2.002
2.209
55/64
63/64
1-7/64
1-7/32
0.885
1.012
1.139
1.251
0.833
0.956
1.079
1.187
1-3/8 1.3750
1-1/2 1.5000
1-5/8 1.6250
1-3/4 1.7500
2-3/16
2-3/8
2-9/16
2-3/4
2.188
2.375
2.562
2.750
2.119
2.300
2.481
2.662
2.526
2.742
2.959
3.175
2.416
2.622
2.828
3.035
1-11/32
1-15/32
1-19/32
1-23/32
1.378
1.505
1.632
1.759
1.310
1.433
1.556
1.679
1-7/8 1.8750
2 2.0000
2-1/4 2.2500
2-1/2 2.5000
2-15/16
3-1/8
3-1/2
3-7/8
2.938
3.125
3.500
3.875
2.844
3.025
3.388
3.750
3.392
3.608
4.041
4.474
3.242
3.449
3.862
4.275
1-27/32
1-31/32
2-13/64
2-29/64
1.886
2.013
2.251
2.505
1.802
1.925
2.155
2.401
2-3/4 2.7500
3 3.0000
3-1/4 3.2500
3-1/2 3.5000
4-1/4
4-5/8
5
5-3/8
4.250
4.625
5.000
5.375
4.112
4.475
4.838
5.200
4.907
5.340
5.774
6.207
4.688
5.102
5.515
5.928
2-45/64
2-61/64
3-3/16
3-7/16
2.759
3.013
3.252
3.506
2.647
2.893
3.124
3.370
3-3/4 3.7500
4 4.000
5-3/4
6-1/8
5.750
6.125
5.562
5.925
6.640
7.073
6.341
6.755
3-11/16
3-15/16
3.760
4.014
3.616
3.862
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