Castle nut

Castle nuts, Stainless steel 18-8

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.

Castle 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

14403 1/4"-20
$2.22
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$2.22 each
$44.10 / 25
$406.00 / 250

$44.10
Add
25
$406.00
250
14404 5/16"-18
$2.99
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$2.99 each
$59.52 / 25
$548.00 / 250

$59.52
Add
25
$548.00
250
14405 3/8"-16
$3.90
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$3.90 each
$80.84 / 25
$744.00 / 250

$80.84
Add
25
$744.00
250
14407 5/8"-11
$9.18
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$9.18 each
$82.49 / 10
$759.00 / 100

$82.49
Add
10
$759.00
100
14408 3/4"-10
$12.25
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$12.25 each
$110.10 / 10
$1,013.00 / 100

$110.10
Add
10
$1,013.00
100
14409 7/8"-9
$19.01
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$19.01 each
$88.24 / 5
$812.00 / 50

$88.24
Add
5
$812.00
50
14410 1"-8
$19.93
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$19.93 each
$89.68 / 5
$825.00 / 50

$89.68
Add
5
$825.00
50

Fine thread

14402 4 #10-32
$2.60
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$2.60 each
$50.92 / 25
$468.00 / 250

$50.92
Add
25
$468.00
250
14411 1/4"-28
$2.63
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$2.63 each
$51.54 / 25
$474.00 / 250

$51.54
Add
25
$474.00
250
14412 5/16"-24
$3.25
Add

$3.25 each
$63.08 / 25
$580.00 / 250

$63.08
Add
25
$580.00
250
14413 3/8"-24
$4.24
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$4.24 each
$84.18 / 25
$774.00 / 250

$84.18
Add
25
$774.00
250
14414 4 7/16"-20
$6.22
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$6.22 each
$122.30 / 25
$1,125.00 / 250

$122.30
Add
25
$1,125.00
250
14415 1/2"-20
$5.40
Add

$5.40 each
$107.23 / 25
$1,002.00 / 250

$107.23
Add
25
$1,002.00
250
14416 5/8"-18
$9.94
Add

$9.94 each
$89.49 / 10
$822.00 / 100

$89.49
Add
10
$822.00
100
14417 3/4"-16
$13.15
Add

$13.15 each
$120.24 / 10
$1,106.00 / 100

$120.24
Add
10
$1,106.00
100

4 This item is a semi-standard size and is therefore more expensive.

Related Products

Cotter pin

Cotter pins, Stainless steel 18-8

Cotter or split pins have two tines which are bent apart to hold them in place.