Prevailing torque lock nut

Prevailing torque lock nuts, Zinc plated grade C steel

Nut size (A.K.A. diameter) is the size bolt that the nut is used with. The same is true of the thread count. Thus a 1/4"-20 nut fits a 1/4"-20 bolt.

Prevailing torque lock nut diameter

Click on a product # for additional info

Prod.
#
Diameter and Thread count Buy Each Buy Bag Bag
Qty
Buy Bulk Bulk
Qty

Coarse (standard) thread

8609 1/4"-20
$0.06
Add

$0.06 each
$2.77 / 100
$24.80 / 1000

$2.77
Add
100
$24.80
1000
8610 5/16"-18
$0.07
Add

$0.07 each
$3.72 / 100
$33.40 / 1000

$3.72
Add
100
$33.40
1000
8611 3/8"-16
$0.08
Add

$0.08 each
$4.93 / 100
$44.30 / 1000

$4.93
Add
100
$44.30
1000
8612 7/16"-14
$0.16
Add

$0.16 each
$5.95 / 50
$53.00 / 500

$5.95
Add
50
$53.00
500
8613 1/2"-13
$0.17
Add

$0.17 each
$6.35 / 50
$56.80 / 500

$6.35
Add
50
$56.80
500
8614 9/16"-12
$0.26
Add

$0.26 each
$10.13 / 50
$90.60 / 500

$10.13
Add
50
$90.60
500
8615 5/8"-11
$0.35
Add

$0.35 each
$6.99 / 25
$64.10 / 250

$6.99
Add
25
$64.10
250
8616 3/4"-10
$0.50
Add

$0.50 each
$9.60 / 25
$88.30 / 250

$9.60
Add
25
$88.30
250
8785 7/8"-9
$1.53
Add

$1.53 each
$13.40 / 10
$123.00 / 100

$13.40
Add
10
$123.00
100
8786 1"-8
$2.78
Add

$2.78 each
$25.27 / 10
$233.00 / 100

$25.27
Add
10
$233.00
100

Fine thread

8787 1/4"-28
$0.08
Add

$0.08 each
$5.60 / 100
$50.40 / 1000

$5.60
Add
100
$50.40
1000
8788 5/16"-24
$0.13
Add

$0.13 each
$7.50 / 100
$68.30 / 1000

$7.50
Add
100
$68.30
1000
8789 3/8"-24
$0.16
Add

$0.16 each
$10.50 / 100
$96.60 / 1000

$10.50
Add
100
$96.60
1000
8790 7/16"-20
$0.23
Add

$0.23 each
$9.49 / 50
$87.20 / 500

$9.49
Add
50
$87.20
500
8791 1/2"-20
$0.30
Add

$0.30 each
$12.29 / 50
$113.00 / 500

$12.29
Add
50
$113.00
500
8792 9/16"-18
$0.36
Add

$0.36 each
$14.62 / 50
$135.00 / 500

$14.62
Add
50
$135.00
500
8793 5/8"-18
$0.54
Add

$0.54 each
$11.22 / 25
$103.00 / 250

$11.22
Add
25
$103.00
250
8794 3/4"-16
$0.80
Add

$0.80 each
$16.71 / 25
$154.00 / 250

$16.71
Add
25
$154.00
250
8795 7/8"-14
$1.61
Add

$1.61 each
$14.20 / 10
$131.00 / 100

$14.20
Add
10
$131.00
100
8796 1"-14
$2.80
Add

$2.80 each
$25.30 / 10
$233.00 / 100

$25.30
Add
10
$233.00
100

^ NOTE: While 12tpi is the fine thread (UNF) standard, 14tpi is far more common in actual use.

See also

Metric prevailing torque lock nut

Metric prevailing torque lock nuts

An all metal lock nut that often used in high temperature applications.