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Square nut

Square 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.

Square nut diameter

Click on a product # for additional info

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

Coarse (standard) thread

12900 #6-32
$0.17
Add

$0.17 each
$11.12 / 100
$100.00 / 1000

$11.12
Add
100
$100.00
1000
11931 #8-32
$0.18
Add

$0.18 each
$11.26 / 100
$101.00 / 1000

$11.26
Add
100
$101.00
1000
11932 #10-24
$0.19
Add

$0.19 each
$11.89 / 100
$107.00 / 1000

$11.89
Add
100
$107.00
1000
* 11933 #10-32
$0.19
Add

$0.19 each
$11.89 / 100
$107.00 / 1000

$11.89
Add
100
$107.00
1000
7735 1/4"-20
$0.26
Add

$0.26 each
$16.49 / 100
$152.00 / 1000

$16.49
Add
100
$152.00
1000
7736 5/16"-18
$0.46
Add

$0.46 each
$29.70 / 100
$273.00 / 1000

$29.70
Add
100
$273.00
1000
7737 3/8"-16
$0.80
Add

$0.80 each
$49.93 / 100
$459.00 / 1000

$49.93
Add
100
$459.00
1000
7738 1/2"-13
$1.64
Add

$1.64 each
$55.91 / 50
$514.00 / 500

$55.91
Add
50
$514.00
500

Fine thread

11933 #10-32
$0.19
Add

$0.19 each
$11.89 / 100
$107.00 / 1000

$11.89
Add
100
$107.00
1000

* 10-32 is a fine thread, but it is listed under coarse thread because it is very common.