NUTS

2010-02-24 17:44:44 作者：okok 来源：浏览次数：0 网友评论 0 条

NUTS

Internal Threads - Class 2B

Nominal Size & Threads / Inch & Series Designation		Allow- ance	Minor Diameter		Pitch Diameter			Major Diameter
Nominal Size & Threads / Inch & Series Designation		Allow- ance	Min.	Max.	Min.	Max.	Tolerance	Min.
0-80 1-64 1-72 2-56 2-64	UNF UNC UNF UNC UNF	0.0005 0.0006 0.0006 0.0006 0.0006	0.0465 0.0561 0.0580 0.0667 0.0691	0.0514 0.0623 0.0635 0.0737 0.0753	0.0519 0.0629 0.0640 0.0744 0.0759	0.0542 0.0655 0.0665 0.0772 0.0786	0.0023 0.0026 0.0025 0.0028 0.0027	0.0600 0.0730 0.0730 0.0860 0.0860
3-48 3-56 4-40 4-48 5-40	UNC UNF UNC UNF UNC	0.0007 0.0007 0.0008 0.0007 0.0008	0.0764 0.0797 0.0849 0.0894 0.0979	0.0845 0.0865 0.0939 0.0968 0.1062	0.0855 0.0874 0.0958 0.0985 0.1088	0.0885 0.0902 0.0991 0.1016 0.1121	0.0030 0.0028 0.0033 0.0031 0.0033	0.0990 0.0990 0.1120 0.1120 0.1250
5-44 6-32 6-40 8-32 8-36	UNF UNC UNF UNC UNF	0.0007 0.0008 0.0008 0.0009 0.0008	0.1004 0.104 0.111 0.130 0.134	0.1079 0.114 0.119 0.139 0.142	0.1102 0.1177 0.1218 0.1437 0.1460	0.1134 0.1214 0.1252 0.1475 0.1496	0.0032 0.0037 0.0034 0.0038 0.0036	0.1250 0.1380 0.1380 0.1640 0.1640
10-24 10-32 12-24 12-28 1/4-20	UNC UNF UNC UNF UNC	0.0010 0.0009 0.0010 0.0010 0.0011	0.145 0.156 0.171 0.177 0.196	0.156 0.164 0.181 0.186 0.207	0.1629 0.1697 0.1889 0.1928 0.2175	0.1672 0.1736 0.1933 0.1970 0.2224	0.0043 0.0039 0.0044 0.0042 0.0049	0.1900 0.1900 0.2160 0.2160 0.2500
1/4-28 5/16-18 5/16-24 3/8-16 3/8-24	UNF UNC UNF UNC UNF	0.0010 0.0012 0.0011 0.0013 0.0011	0.211 0.252 0.267 0.307 0.330	0.220 0.265 0.277 0.321 0.034	0.2268 0.2764 0.2854 0.3344 0.3479	0.2311 0.2817 0.2902 0.3401 0.3528	0.0043 0.0053 0.0048 0.0057 0.0049	0.2500 0.3125 0.3125 0.3750 0.3750
7/16-14 7/16-20 1/2-13 1/2-20 9/16-12	UNC UNF UNC UNF UNC	0.0014 0.0013 0.0015 0.0013 0.0016	0.360 0.383 0.417 0.446 0.472	0.376 0.395 0.434 0.457 0.490	0.3911 0.4050 0.4500 0.4675 0.5084	0.3972 0.4104 0.4565 0.4731 0.5152	0.0061 0.0054 0.0065 0.0056 0.0068	0.4375 0.4375 0.5000 0.5000 0.5625
9/16-18 5/8-11 5/8-18 3/4-10 3/4-16	UNF UNC UNF UNC UNF	0.0014 0.0016 0.0014 0.0018 0.0015	0.502 0.527 0.565 0.642 0.682	0.515 0.546 0.578 0.663 0.696	0.5264 0.5660 0.5889 0.6850 0.7094	0.5323 0.5732 0.5949 0.6927 0.7159	0.0059 0.0072 0.0060 0.0077 0.0065	0.5625 0.6250 0.6250 0.7500 0.7500
7/8-9 7/8-14 1-8 1-12 1-14	UNC UNF UNC UNF UNS	0.0019 0.0016 0.0020 0.0018 0.0017	0.755 0.798 0.865 0.910 0.923	0.778 0.814 0.890 0.928 0.938	0.8028 0.8286 0.9188 0.9459 0.9536	0.8110 0.8356 0.9276 0.9535 0.9609	0.0082 0.0070 0.0088 0.0076 0.0073	0.8750 0.8750 1.0000 1.0000 1.0000
11/8-7 11/8-8 11/812 11/4-7 11/4-8	UNC UN UNF UNC UN	0.0022 0.0021 0.0018 0.022 0.0021	0.970 0.990 1.035 1.095 1.115	0.998 1.015 1.053 1.123 1.140	1.322 1.0438 1.0709 1.1572 1.1688	1.0416 0.0528 1.0787 1.668 1.1780	0.0094 0.0090 0.0078 0.0096 0.0092	1.1250 1.1250 1.1250 1.2500 1.2500
11/4-12 1 3/8-6 1 3/8-8 1 3/8-12 11/2-6	UNF UNC UN UNF UNC	0.0018 0.0024 0.0022 0.0019 0.0024	1.160 1.195 1.240 1.285 1.320	1.178 1.225 1.265 1.303 1.350	1.1959 1.2667 1.2938 1.3209 1.3917	1.2039 1.2771 1.3031 1.3291 1.4022	0.0080 0.0104 0.0093 0.0082 0.0105	1.2500 1.3750 1.3750 1.3750 1.5000
11/2-8 11/2-12 1 5/8-8 1 3/4-5 1 3/4-8	UN UNC UN UNC UN	0.0022 0.0019 0.0022 0.0027 0.0023	1.365 1.410 1.490 1.534 1.615	1.390 1.428 1.515 1.568 1.640	1.4188 1.4459 1.5438 1.6201 1.6688	1.4283 1.4542 1.5535 1.6317 1.6786	0.0095 0.0083 0.0097 0.0116 0.0098	1.5000 1.5000 1.6250 1.7500 1.7500
1 7/8-8 2-41/2 2-8 2 1/4-4.5 2 1/4-8	UN UNC UN UNC UN	0.0023 0.0029 0.0023 0.0029 0.0024	1.740 1.759 1.865 2.009 2.115	1.765 1.795 1.890 2.045 2.140	1.7938 1.8557 1.9188 2.1057 2.1688	1.8038 1.8681 1.9289 2.1183 2.1792	0.0100 0.0124 0.0101 0.0126 0.0104	1.8750 2.0000 2.0000 2.2500 2.2500
2 1/2-4 2 1/2-8 2 3/4-4 2 3/4-8 3-4	UNC UN UNC UN UNC	0.0031 0.0024 0.0032 0.0025 0.0032	2.229 2.365 2.479 2.615 2.729	2.267 2.390 2.517 2.640 2.767	2.3376 2.4188 2.5876 2.6688 2.8376	2.3511 2.4294 2.6013 2.6796 2.8515	0.0135 0.0106 0.0137 0.0108 0.0139	2.5000 2.5000 2.7500 2.7500 3.0000
3-8 3 1/4-4 31/4-8 3 1/2-4 31/2-8	UN UNC UN UNC UN	0.0026 0.0033 0.0026 0.0033 0.0026	2.865 2.979 3.115 3.229 3.365	2.890 3.017 3.140 3.267 3.390	2.9188 3.0876 3.1688 3.3376 3.4188	2.9299 3.1017 3.1801 3.3519 3.4303	0.0111 0.0141 0.0113 0.0143 0.0115	3.0000 3.2500 3.2500 3.5000 3.5000
3 3/4-4 3 3/4-8 4-4 4-8	UNC UN UNC UN	0.0034 0.0027 0.0034 0.0027	3.479 3.615 3.729 3.865	3.517 3.640 3.767 3.890	3.5876 3.6688 3.8376 3.9188	3.6021 3.6805 3.8523 3.9307	0.0145 0.0117 0.0147 0.0119	3.7500 3.7500 4.0000 4.0000

Two Piece Hex Cap Nuts

Size	Across the Flats	Overall Hght.
6-32 8-32 10-24 10-32 1/4-20 5/16-18 3/8-16 1/2-13 5/8-11	5/16 5/16 3/8 3/8 7/16 9/16 5/8 3/4 15/16	1/4 1/4 9/32 11/32 21/64 3/8 27/64 9/16 51/64

Hex Coupling Nuts
Dimensions of Hex Coupling Nuts

Nom Size or Basic Major Dia. of Thread		F			G		H
		Width Across Flats			Width Across Corners		Length
		Basic	Max	Min	Max	Min	Basic	Max	Min
1/4 5/16 3/8 1/2 5/8 3/4 1	0.2500 0.3125 0.3750 0.5000 0.6250 0.7500 1.0000	3/8 1/2 9/16 3/4 15/16 1-1/8 1-1/2	0.375 0.500 0.562 0.750 0.938 1.125 1.500	0.365 0.489 0.551 0.736 0.922 1.088 1.450	0.433 0.577 0.650 0.866 1.083 1.299 1.732	0.416 0.557 0.628 0.839 1.051 1.240 1.653	3/4 15/16 1-1/8 1-1/2 1-7/8 2-1/4 3	0.76 0.95 1.13 1.51 1.89 2.27 3.03	0.74 0.93 1.11 1.49 1.86 2.22 2.97

Hex Castle Nuts

Nominal Size
or
Basic Major Dia.
of Thread

Runout of
Bearing
Surface
FIR

Width Across
Flats

Width Across
Corners

Thickness

Unslotted Thickness
and
Height of Flat

Width of
Slot

Radius
of
Filet

Dia of
Cylindrical

Basic

Max

Min

Max

Min

Basic

Max

Min

Nom

Max

Min

Max

Min

+ .010

Min

Max

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

23/32
13/16
29/32
1

0.731
0.827
0.922
1.018

0.706
0.798
0.890
0.982

1/2
9/16
21/32
23/32

0.51
0.57
0.67
0.73

0.49
0.55
0.64
0.70

0.24
0.24
0.24
0.30

0.18
0.18
0.18
0.24

0.156
0.188
0.188
0.188

0.797
0.941
1.097
1.254

0.021
0.023
0.025
0.027

T- Nuts, Straight Barrel

Thread Size	G	H	F	A	T	Drill Size	LBS Per M Pcs.
Thread Size	Flange Dia.	Barrel Height	Barrel Diam.	Prong Height	Material Thickness	Drill Size	LBS Per M Pcs.
10 - 24 10 - 24	3/4 3/4	5/16 5/16	.243 .243	7/32 7/32	.040 .040	1/4 1/4	7 7
10-32 10-32	3/4 3/4	5/16 5/16	.243 .243	7/32 7/32	.040 .040	1/4 1/4	7 7
1/4 - 20 1/4 - 20	3/4 3/4	5/16 5/16	.305 .305	7/32 7/32	.047 .047	5/16 5/16	9 9
1/4 - 20 1/4 - 20	3/4 3/4	7/16 7/16	.305 .305	5/16 1/4	.047 .047	5/16 5/16	9 9
5/16 - 18 5/16 - 18 5/16 - 18	7/8 7/8 7/8	3/8 3/8 5/8	.390 .390 .390	1/4 1/4 5/16	.063 .063 .063	25/64 25/64 25/64	14 14 18
3/8 - 16	1	7/16	.440	11/32	.063	29/64	19

Wing Nuts
Cold Forged

Nominal
Size or Basic
Major Diameter
0f Thread

Threads
per Inch

Wing
Spread

Wing
Height

Wing
Thickness

Between
Wings

Boss
Diameter

Boss
Height

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

6	0.1380
8	0.1640
10	0.1900
1/4	0.2500
5/16	0.3125
3/8	0.3750
1/2	0.5000
5/8	0.6250
3/4	0.7500

32
32
24 & 32
20
18
16
13
11
10

0.72
0.91
0.91
1.10
1.25
1.44
1.94
2.76
2.76

0.59
0.78
0.78
0.97
1.12
1.31
1.81
2.62
2.62

0.41
0.47
0.47
0.57
0.66
0.79
1.00
1.44
1.44

0.28
0.34
0.34
0.43
0.53
0.65
0.87
1.31
1.31

0.11
0.14
0.14
0.18
0.21
0.24
0.33
0.40
0.40

0.07
0.10
0.10
0.14
0.17
0.20
0.26
0.34
0.34

0.21
0.27
0.27
0.39
0.39
0.48
0.65
0.90
0.90

0.17
0.22
0.22
0.26
0.32
0.42
0.54
0.80
0.80

0.33
0.43
0.45
0.50
0.58
0.70
0.93
1.19
1.19

0.29
0.39
0.39
0.45
0.51
0.64
0.86
1.13
1.13

0.14
0.18
0.18
0.22
0.25
0.30
0.39
0.55
0.55

0.10
0.14
0.14
0.17
0.20
0.26
0.35
0.51
0.51

Finished Hex Nuts, Hex Jam and Two
Way Reversible Lock Nuts

Nominal
Or
Basic Major Dia of Thread

Width Across Flats

Width Across Comers

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	2.00000
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

Heavy Hex Nuts

Nominal Size or
Basic Major Dia. of Thread

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

Hex Slotted Nuts

Normal Size or
Basic Major Dia of Thread

Runout Of
Bearing
Surface
FIM

Width Across Flats

Width Across Corners

Thickness

Unslotted
Thickness

Width of Slot

Basic

Max

Min

Max

Min

Basic

Max

Min

Max

Mmin

Max

Min

Max

3/8	0.3750
7/16	0.4375
1/2	0.5000

9/16
11/16
3/4

0.562
0.688
0.750

0.551
0.675
0.736

0.650
0.794
0.866

0.628
0.768
0.840

21/64
3/8
7/16

0.337
0.385
0.448

0.320
0.365
0.427

0.21
0.23
0.29

0.19
0.21
0.27

0.15
0.15
0.18

0.12
0.12
0.15

0.018
0.018
0.019

5/8	0.6250
3/4	0.7500
7/8	0.8750

15/16
1-1/8
1-5/16

0.938
1.125
1.312

0.922
1.088
1.269

1.083
1.299
1.516

1.051
1.240
1.447

35/64
41/64
3/4

0.559
0.665
0.776

0.535
0.617
0.724

0.34
0.40
0.52

0.32
0.38
0.49

0.24
0.24
0.24

0.18
0.18
0.18

0.021
0.023
0.025

1	1.0000
1-1/8	1.1250
1-1/4	1.2500
1-1/2	1.5000

1-1/2
1-11/16
1-7/8
2-1/4

1.500
1.688
1.875
2.250

1.450
1.631
1.812
2.175

1.732
1.949
2.165
2.598

1.653
1.859
2.066
2.480

55/64
31/32
1-1/16
1-9/32

0.887
0.999
1.094
1.317

0.831
0.939
1.030
1.245

0.59
0.64
0.70
0.86

0.56
0.61
0.67
0.82

0.30
0.33
0.40
0.46

0.24
0.24
0.31
0.37

0.027
0.030
0.033
0.039

Serrated Flange Lock Nuts

Nominal Size or
Basic Major Diameter of Thread

Width
Across Flats

Width
Across
Corners

Flange
Diameter

Nut
Thickness

Wrenching
Length

Flange
Thickness

Max.

Min.

Max.

Min.

Max.

Min.

Max.

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

"K" Lock Nuts

Nominal
Size or Basic Thread Diameter

Width Across Flats

Width Across
Corners

Thickness

Washer
Diameter

Hex

Basic

Max.

Min.

Max.

Min.

Max.

Min.

Ref.

4	0.1120
6	0.1380
8	0.1640
10	0.1900
1/4	0.2500
5/16	0.3125
3/8	0.3750

1/4
5/16
11/32
3/8
7/16
1/2
9/16

0.250
0.312
0.344
0.375
0.438
0.500
0.562

0.241
0.302
0.332
0.362
0.423
0.489
0.551

0.289
0.361
0.397
0.433
0.505
0.577
0.650

0.275
0.344
0.378
0.413
0.482
0.557
0.628

0.098
0.114
0.130
0.130
0.193
0.273
0.385

0.087
0.102
0.117
0.117
0.178
0.258
0.365

0.281
0.344
0.375
0.406
0.500
0.578
0.656

Square and Hex Machine Screw Nuts

Nominal Size
or
Basic
Thread
Diameter

Width Across Flats

Width Across Corners

Thickness

Square

Hex

Basic

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

2	0.0860
3	0.0990

3/16
3/16

0.188
0.188

0.180
0.180

0.265
0.265

0.247
0.247

0.217
0.217

0.205
0.205

0.066
0.066

0.057
0.057

4	0.1120
5	0.1250
6	0.1380

1/4
5/16
5/16

0.250
0.312
0.312

0.241
0.302
0.302

0.354
0.442
0.442

0.331
0.415
0.415

0.289
0.361
0.361

0.275
0.344
0.344

0.098
0.114
0.114

0.087
0.102
0.102

8	0.1640
10	0.1900
12	0.2160

11/32
3/8
7/16

0.344
0.375
0.438

0.332
0.362
0.423

0.486
0.530
0.619

0.456
0.497
0.581

0.397
0.433
0.505

0.378
0.413
0.482

0.130
0.130
0.161

0.117
0.117
0.148

1/4	0.2500
5/16	0.3125
3/8	0.3750

7/16
9/16
5/8

0.438
0.562
0.625

0.423
0.545
0.607

0.619
0.795
0.884

0.581
0.748
0.833

0.505
0.650
0.722

0.482
0.621
0.692

0.193
0.225
0.257

0.178
0.208
0.239

Hex Panel Nuts

Size	Across the Flats	Thickness
1/8-27 1/8-27 3/8-32 3/8-32 15/32-32	9/16 9/16 1/2 9/16 9/16	1/8 3/16 3/32 3/32 3/32

Regular Square Nuts

Nominal or Basic Major Dia. of Thread

Width Across Flats

Width Across Corners

Across Corners Thickness

Basic

Max.

Mm.

Max.

Mm.

Basic

Max.

Mm.

1/4	0.2500
5/16	0.3125
3/8	0.3750
7/16	0.4375

7/16
9/16
5/8
3/4

0.438
0.562
0.625
0.750

0.425
0.547
0.606
0.728

0.619
0.795
0.884
1.061

0.584
0.751
0.832
1.000

7/32
17/64
21/64
3/8

0.235
0.283
0.346
0.394

0.203
0.249
0.310
0.356

1/2	0.5000
5/8	0.6250
3/4	0.7500
7/8	0.8750

13/16
1
1-1/8
1-5/16

0.812
1.000
1.125
1.312

0.788
0.969
1.088
1.269

1.149
1.414
1.591
1.856

1.082
1.330
1.494
1.742

7/16
35/64
21/32
49/64

0.458
0.569
0.680
0.792

0.418
0.525
0.632
0.740

1	1.0000
1-1/4	1.2500
1-1/2	1.5000

1-1/2
1-7/8
2-1/4

1.500
1.875
2.250

1.450
1.812
2.175

2.121
2.652
3.182

1.991
2.458
2.956

7/8
1-3/32
1-5/16

0.903
1.126
1.348

0.847
1.062
1.276

Nylon Insert
Stop Nuts

Nominal Size or Basic Thread Diameter

Width Across Flats

Thickness

Side
Height

Width
Across
Comers

Basic

Max.

Min.

Max.

Min.

Ref.

4	0.1120
6	0.1380
8	0.1640
10	0.1900
1/4	0.2500
5/16	0.3125
3/8	0.3750
7/16	0.4375
1/2	0.5000
9/16	0.5625
5/8	0.6250
3/4	0.7500
7/8	0.8750
1	1.0000
1-1/8	1.1250
1-1/4	1.2500
1-1/2	1.5000

1/4
5/16
11/32
3/8
7/16
1/2
9/16
11/16
3/4
7/8
15/16
1-1/8
1-5/16
1-1/2
1-11/16
1-7/8
2-1/4

0.251
0.313
0.345
0.376
0.439
0.502
0.565
0.690
0.752
0.877
0.940
1.127
1.315
1.502
1.690
1.877
2.252

0.241
0.302
0.332
0.362
0.428
0.489
0.551
0.675
0.736
0.861
0.922
1.088
1.269
1.450
1.631
1.812
2.175

0.153
0.188
0.239
0.249
0.328
0.359
0.468
0.468
0.609
0.656
0.765
0.890
0.999
1.078
1.203
1.422
1.640

0.133
0.168
0.219
0.229
0.298
0.329
0.438
0.438
0.579
0.626
0.735
0.860
0.969
1.061
1.141
1.360
1.578

0.081
0.103
0.140
0.140
0.225
0.250
0.335
0.324
0.464
0.469
0.593
0.742
0.790
0.825
0.930
1.125
1.313

0.268
0.399
0.374
0.410
0.482
0.552
0.622
0.698
0.837
0.978
1.051
1.191
1.430
1.615
1.826
2.038
2.444

Nylon Insert
Stop Nuts

Thin Pattern

Nominal Size or Basic Thread
Diameter

Width Across Flats

Thickness

Side
Height

Width
Across
Corners

Basic

Max.

Min.

Max.

Min.

Ref.

4	.1120
6	.1380
8	.1640
10	.1900
1/4	.2500
5/16	.3125
3/8	.3750
7/16	.4375
1/2	.5000
5/8	.6250
3/4	.7500

1/4
5/16
11/32
3/8
7/16
1/2
9/16
11/16
3/4
15/16
1-1/8

.251
.313
.345
.376
.439
.502
.565
.690
.752
.940
1.127

.241
.302
.332
.362
.428
.489
.551
.675
.736
.922
1.088

.124
.140
.187
.187
.218
.265
.281
.328
.328
.406
.421

.094
110
.157
.157
.188
.235
.251
.298
.298
.376
.391

.075
.090
.110
.110
125
.158
.150
.190
.225
.264
.288

.268
.399
.374
.410
.482
.552
.622
.694
.837
1.051
1.191

Wing Nuts

Stamped

Nominal
Size or Basic Major Diameter of Thread

Threads per Inch

Wing Spread

Wing Height

Wing Thickness

Between Wings

Boss Diameter

Boss Height

Wall Height

Stock Thickness

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

Min.

6	0.1380
8	0.1640
10	0.1900
1/4	0.2500
5/16	0.3125
3/8	0.3750

32
32
24 & 32
20
18 & 24
16 & 24

0.78
0.78
0.91
1.11
1.30
1.41

0.72
0.72
0.85
1.05
1.24
1.34

0.40
0.40
0.47
0.50
0.59
0.67

0.34
0.34
0.41
0.44
0.53
0.61

0.18
0.18
0.21
0.25
0.30
0.34

0.14
0.14
0.17
0.21
0.26
0.30

0.25
0.25
0.34
0.34
0.46
0.69

0.41
0.41
0.53
0.62
0.73
0.83

0.35
0.35
0.47
0.56
0.67
0.77

0.08
0.08
0.10
0.11
0.14
0.16

0.12
0.12
0.12
0.12
0.18
0.18

0.04
0.04
0.04
0.05
0.06
0.06

0.03
0.03
0.03
0.04
0.05
0.05

Stover® Locknuts
Grade C
Automation Style

Nom. Size In Inches	T			W		B
	Width Across Flats			Overall Thickness		Hex Height
	Nom.	Max.	Min.	Max.	Min.	(Min.)
1/4 5/16 3/8	7/16 1/2 9/16	0.4385 0.5020 0.5645	0.428 0.489 0.551	0.226 0.273 0.337	0.212 0.258 0.320	0.145 0.166 0.198
7/16 1/2 9/16	11/16 3/4 7/8	0.6895 0.7520 0.8770	0.675 0.736 0.861	0.385 0.448 0.496	0.365 0.427 0.473	0.223 0.262 0.286
5/8 3/4	15/16 1-1/8	0.9395 1.1270	0.922 1.088	0.559 0.665	0.535 0.617	0.329 0.382
7/8 1	1-5/16 1-1/2	1.3145 1.5020	1.2690 1.4500	0.776 0.887	0.724 0.831	0.450 0.513

Grade GT
Flange Style

Nom. Size In Inches	F			B	H		A	K
	Width Across Flats			Flange Diam.	Overall Thickness		Hex Height	Flange Thick.
	Nom.	Max.	Min.	(Max.)	Max.	Min.	(Min.)	(Min.)
3/8 1/2 5/8 3/4	9/16 3/4 15/16 1-1/8	0.5645 0.7520 0.9395 1.1270	0.551 0.736 0.922 1.088	0.810 1.070 1.330 1.585	0.425 0.555 0.690 0.825	0.404 0.528 0.646 0.742	0.200 0.260 0.320 0.380	0.060 0.080 0.100 0.110

® Stover is a registered trademark of RB&W Corporation.

Stover® Locknuts
Grade C Hex Collar

Nom. Size In Inches	T		W		H
	Width Across Flats		Overall Thickness		Hex Height
	Max.	Min.	Max.	Min.	Max.	Min.
1-1/8 1-1/4 1-3/8 1-1/2 1-3/4 2	1.688 1.875 2.062 2.250 2.625 3.000	1.631 1.812 1.994 2.175 2.538 2.900	0.999 1.094 1.206 1.317 1.540 1.763	0.939 1.030 1.138 1.245 1.460 1.675	0.657 0.719 0.793 0.865 1.012 1.158	0.636 0.698 0.771 0.843 0.989 1.134