Coupling nut

Coupling nuts, Steel plain finish, 3/8"

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.

Coupling nut diameter and length

Click on a product # for additional info

Prod.
#
Size Buy Each Buy Bag Bag
Qty
Buy Bulk Bulk
Qty

Coarse (standard) thread

23797 3/8"-16 x 1-3/4"
$1.20
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$1.20 each
$36.69 / 50
$345.00 / 500

$36.69
Add
50
$345.00
500

Fine thread

23820 3/8"-24 x 1-1/8"
$0.91
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$0.91 each
$13.14 / 50
$123.00 / 500

$13.14
Add
50
$123.00
500

See also

Metric coupling nut

Metric coupling nuts

A long nut used to connect pieces of threaded rod or other male threaded fasteners.