Taps for Locknut Threads

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

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Locknut taps are for creating or repairing locknut threads.

We stock all the sizes from N01 to N12. These taps as designated by the outsize diameter and thread per inch.

Bearing locknuts are also referred to as shaft or withdrawal nuts, depending on their use. They are used to locate bearings and other components onto a shaft as well as to facilitate mounting bearings on tapered journals and dismounting bearings from withdrawal sleeves

 

Part Number (plug tap ) Locknut # Diameter pitch
       
TAP.664-32.2 N-03

.664

32

TAP.781-32.2 N-04

.781

32

TAP.969-32.2 N-05

.969

32

TAP1.173-18.2 N-06

1.173

18

TAP1.376-18.2 N-07

1.376

18

TAP1.563-18.2 N-08

1.563

18

TAP1.767-18.2 N-09

1.767

18

TAP1.967-18.2 N-10

1.967

18

 

 

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

 

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link to taps and die index page

 

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