Company NameRanflex Metals
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Products Ranflex Metals
Ranflex Metals Ranflex Metals
Fasteners Serrated Flange Lock Nuts Stainless Steel Fasteners

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Nuts
Nominal Size or Basic Major Diameter of Thread F G B H K J
Width Across Flats Width Across Corners Flange Diameter Nut Thickness Wrenching Length Flange Thickness
Max. Min. Max. Min. Max. Min. Max. Min. Min. Max.
6 0.1380
8 0.1640
10 0.1900
0.312
0.344
0.375
0.302
0.334
0.365
0.361
0.397
0.433
0.342
0.381
0.416
0.422
0.469
0.500
0.406
0.452
0.480
0.171
0.203
0.219
0.156
0.187
0.203
0.10
0.13
0.13
0.02
0.02
0.03
12 0.216
1/4 0.2500
5/16 0.3125
0.438
0.438
0.500
0.428
0.428
0.489
0.505
0.505
0.577
0.488
0.488
0.557
0.594
0.594
0.680
0.574
0.574
0.660
0.236
0.236
0.283
0.222
0.222
0.268
0.14
0.14
0.17
0.04
0.04
0.04
3/8 0.3750
7/16 0.4375
1/2 0.5000
0.562
0.688
0.750
0.551
0.675
0.736
0.650
0.794
0.866
0.628
0.768
0.840
0.750
0.937
1.031
0.728
0.910
1.000
0.347
0.395
0.458
0.330
0.375
0.437
0.23
0.26
0.31
0.04
0.04
0.05
5/8 0.6250
3/4 0.7500
0.938
1.125
0.922
1.088
1.083
1.299
1.051
1.240
1.281
1.500
1.248
1.460
0.569
0.675
0.545
0.627
0.40
0.46
0.05
0.06
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