Locknut Thread Sizes- UNITED STATES FORM


 

We can supply Taps for all sizes and
Hexagon Bearing Locknut Dies For Locknut #00 thru #30; Sizes .391-32 thru 5.888-12

order hex dies online

add to cart

LOCKNUT THREAD SIZES - UNITED STATES FORM

LOCKNUT

NUMBER

NUMBER
THREADS PER INCH

PITCH DIAMETER

HELIX ANGLE

O.D.

MAXIMUM

MINIMUM

MAXIMUM

MINIMUM
N-00

32

.3707

.3681

1 28'

.391

.3856
N-01

32

.4487

.4461

1 16'

.469

.4636
N-02

32

.5657

.5627

0 59'

.586

.5806
N-03

32

.6438

.6407

0 53'

.664

.6586
N-04

32

.7607

.7573

0 44'

.781

.7756
N-05

32

.9487

.9453

0 36'

.969

.9636
N-06

18

1.1369

1.1329

0 52'

1.173

1.1648
N-07

18

1.3399

1.3359

0 45'

1.376

1.3678
N-08

18

1.5269

1.5224

0 39'

1.563

1.5548
N-09

18

1.7309

1.7264

0 35'

1.767

1.7588
N-10

18

1.9309

1.9264

0 31'

1.967

1.9588
N-11

18

2.1209

2.1158

0 28'

2.157

2.1488
N-12

18

2.3239

2.3188

0 26'

2.360

2.3518
N-13

18

2.5119

2.5068

0 24'

2.548

2.5398
N-14

18

2.7149

2.7098

0 22'

2.751

2.7428
*AN-15

12

2.8789

2.8735

0 31'

2.933

2.9218
*AN-16

12

3.0829

3.0770

0 29'

3.137

3.1258
*AN-17

12

3.2859

3.2785

0 27'

3.340

3.3288
*AN-18

12

3.4729

3.4655

0 26'

3.527

3.5158
*AN-19

12

3.6759

3.6685

0 24'

3.730

3.7188
*AN-20

12

3.8639

3.8565

0 23'

3.918

3.9068
*AN-21

12

4.0679

4.0596

0 22'

4.122

4.1108
*AN-22

12

4.2709

4.2626

0 21'

4.325

4.3138
*AN-24

12

4.6619

4.6536

0 19'

4.716

4.7048
*AN-26

12

5.0519

5.0436

0 17'

5.106

5.0948
*AN-28

12

5.4429

5.4346

0 16'

5.497

5.4858
*AN-30

12

5.8339

5.8256

0 15'

5.888

5.8768
*AN-32

8

6.2028

6.1937

0 22'

6.284

6.2688
*AN-34

8

6.5778

6.5687

0 20'

6.659

6.6438
*AN-36

8

6.9848

6.9757

0 19'

7.066

7.0508
*AN-38

8

7.3908

7.3817

0 18'

7.472

7.4568
*AN-40

8

7.7658

7.7544

0 17'

7.847

7.8318


Threads are American (National) Standard Form, Fine Pitch, Equivalent to a Class 3 Fit.

* Prefix "A" before Locknut Number, Indicates that this size was previously manufactured with 11 threads per inch.

 

this table is from H & K Thread Grinding Co.

We can supply Taps for all sizes and
Hexagon Bearing Locknut Dies For Locknut #00 thru #30; Sizes .391-32 thru 5.888-12

 

 

order hex dies online

servicing the Canadian provinces of Newfoundland, Nova Scotia, New Brunswick, Prince Edward Island, Quebec, Ontario, Manitoba, Saskatchewan, Alberta ,British Columbia and the states of Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin,Wyoming We can ship via UPS to Afghanistan , Aland Islands , Albania , Algeria , American Samoa , Andorra , Angola , Anguilla , Antigua & Barbuda , Argentina , Armenia , Aruba , Australia , Austria , Azerbaijan , Azores , Bahamas , Bahrain , Bangladesh , Barbados , Belarus , Belgium , Belize , Benin , Bermuda , Bhutan , Bolivia , Bonaire , Bosnia , Botswana , Brazil , British Virgin Isles , Brunei , Bulgaria , Burkina Faso , Burundi , Cambodia , Cameroon , Canada , Canary Islands , Cape Verde , Cayman Islands , Central African Republic , Chad , Chile , China , Colombia , Comoros , Congo , Cook Islands , Costa Rica , Croatia , Curacao , Cyprus , Czech Republic , Democratic Republic of Congo , Denmark , Djibouti , Dominica , Dominican Republic , Ecuador , Egypt , El Salvador , England , Equatorial Guinea , Eritrea , Estonia , Ethiopia , Faeroe Islands , Fiji , Finland , France , French Guiana , French Polynesia , Gabon , Gambia , Georgia , Germany , Ghana , Gibraltar , Greece , Greenland , Grenada , Guadeloupe , Guam , Guatemala , Guernsey , Guinea , Guinea-Bissau , Guyana , Haiti , Holland , Honduras , Hong Kong , Hungary , Iceland , India , Indonesia , Iraq , Ireland , Israel , Italy , Ivory Coast , Jamaica , Japan , Jersey , Jordan , Kazakhstan , Kenya , Kiribati , Kosrae , Kuwait , Kyrgyzstan , Laos , Latvia , Lebanon , Lesotho , Liberia , Libya , Liechtenstein , Lithuania , Luxembourg , Macau , Macedonia (Fyrom) , Madagascar , Madeira , Malawi , Malaysia , Maldives , Mali , Malta , Marshall Islands , Martinique , Mauritania , Mauritius , Mayotte , Mexico , Micronesia , Moldova , Monaco , Mongolia , Montenegro , Montserrat , Morocco , Mozambique , N. Mariana Islands , Namibia , Nepal , Netherlands , Netherlands Antilles , New Caledonia , New Zealand , Nicaragua , Niger , Nigeria , Norfolk Island , Northern Ireland , Norway , Oman , Pakistan , Palau , Panama , Papua New Guinea , Paraguay , Peru , Philippines , Poland , Ponape , Portugal , Puerto Rico , Qatar , Reunion , Romania , Rota , Russia , Rwanda , Saba , Saipan , San Marino , Saudi Arabia , Scotland , Senegal , Serbia , Seychelles , Sierra Leone , Singapore , Slovakia , Slovenia , Solomon Islands , South Africa , South Korea , Spain , Sri Lanka , St. Barthelemy , St. Christopher , St. Croix , St. Eustatius , St. John , St. Kitts & Nevis , St. Lucia , St. Maarten , St. Martin , St. Thomas , St. Vincent/Grenadines , Suriname , Swaziland , Sweden , Switzerland , Syria , Tahiti , Taiwan , Tajikistan , Tanzania , Thailand , Timor Leste , Tinian , Togo , Tonga , Tortola , Trinidad & Tobago , Truk , Tunisia , Turkey , Turkmenistan , Turks & Caicos Islands , Tuvalu , Uganda , Ukraine , Union Island , United Arab Emirates , United Kingdom , United States , Uruguay, US Virgin Islands , Uzbekistan , Vanatu , Vatican City State , Venezuela , Vietnam , Virgin Gorda , Wales , Wallia & Futuna Islands , Western Samoa , Yap , Yemen , Zambia , Zimbabwe