Dimensions for Finished Hex Nuts, Hex Jam Nuts
and Two Way Reversible Lock Nuts |
Nominal
Or
Basic Major Dia of Thread |
F |
G |
H |
H1 |
| Width Across Flats |
Width Across Corners |
Thickness Hex Nuts & Reversible Lock Nuts |
Thickness Hex
Jam Nuts |
| Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Mmin |
Basic |
Max |
Min |
| 8 |
0.1640 |
| 10 |
0.1900 |
| 1/4 |
0.2500 |
| 5/16 |
0.3125 |
|
11/32
3/8
7/16
1/2 |
0.344
0.375
0.438
0.500 |
0.332
0.362
0.428
0.489 |
0.397
0.433
0.505
0.577 |
0.378
0.413
0.488
0.557 |
--
--
7/32
17/64 |
0.203
0.203
0.226
0.273 |
0.187
0.187
0.212
0.258 |
--
--
5/32
3/16 |
--
--
0.164
0.195 |
--
--
0.150
0.180 |
| 3/8 |
0.3750 |
| 7/16 |
0.4375 |
| 1/2 |
0.5000 |
| 9/16 |
0.5625 |
|
9/16
11/16
3/4
7/8 |
0.562
0.688
0.750
0.875 |
0.551
0.675
0.736
0.861 |
0.650
0.794
0.866
1.010 |
0.628
0.768
0.840
0.982 |
21/64
3/8
7/16
31/64 |
0.337
0.385
0.448
0.496 |
0.320
0.365
0.427
0.473 |
7/32
1/4
5/16
5/16 |
0.227
0.260
0.323
0.324 |
0.210
0.240
0.302
0.301 |
| 5/8 |
0.6250 |
| 3/4 |
0.7500 |
| 7/8 |
0.8750 |
| 1 |
1.0000 |
|
15/16
1-1/8
1-5/16
1-1/2 |
0.938
1.125
1.312
1.500 |
0.922
1.088
1.269
1.450 |
1.083
1.299
1.516
1.732 |
1.051
1.240
1.447
1.653 |
35/64
41/64
3/4
55/64 |
0.559
0.665
0.776
0.887 |
0.535
0.617
0.724
0.831 |
3/8
27/64
31/64
35/64 |
0.387
0.446
0.510
0.575 |
0.363
0.398
0.458
0.519 |
| 1-1/8 |
1.1250 |
| 1-1/4 |
1.2500 |
| 1-3/8 |
1.3750 |
| 1-1/2 |
1.5000 |
|
1-11/16
1-7/8
2-1/16
2-1/4 |
1.688
1.875
2.062
2.250 |
1.631
1.812
1.994
2.175 |
1.949
2.165
2.382
2.598 |
1.859
2.066
2.273
2.480 |
31/32
1-1/6
1-11/64
1-9/32 |
0.999
1.094
1.206
1.317 |
0.939
1.030
1.138
1.245 |
39/64
23/32
25/32
27/32 |
0.639
0.751
0.815
0.880 |
0.579
0.687
0.747
0.808 |
1-5/8 |
1.6250 |
1-3/4 |
1.7500 |
2 |
2.0000 |
2-1/4 |
2.2500 |
|
2-7/16
2-5/8
3
3-3/8 |
2.438
2.625
3.000
3.375 |
2.356
2.538
2.900
3.263 |
2.815
3.031
3.464
3.897 |
2.686
2.893
3.306
3.719 |
1-25/64
1-1/2
1-23/32
1-15/16 |
1.429
1.540
1.763
1.986 |
1.353
1.460
1.675
1.890 |
29/32
31/32
1-3/32
1-7/32 |
0.945
1.009
1.138
1.267 |
0.869
0.929
1.050
1.171 |
2-1/2 |
2.5000 |
2-3/4 |
2.7500 |
3 |
3.0000 |
|
3-3/4
4-1/8
4-1/2 |
3.750
4.125
4.500 |
3.625
3.988
4.350 |
4.330
4.763
5.196 |
4.133
4.546
4.959 |
2-5/32
2-3/8
2-19/32 |
2.209
2.431
2.654 |
2.105
2.319
2.534 |
1-11/32
1-15/32
1-19/32 |
1.396
1.525
1.654 |
1.292
1.413
1.534 |
