Coupling nut

Coupling nuts, Stainless steel 18-8, 1/2"

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

12129 1/2"-13 x 1-1/4"
$2.35
Add

$2.35 each
$37.25 / 25
$354.00 / 250

$37.25
Add
25
$354.00
250
12130 4 1/2"-13 x 1-3/4"
$3.40
Add

$3.40 each
$68.74 / 25
$653.00 / 250

$68.74
Add
25
$653.00
250

Fine thread

12167 1/2"-20 x 1-1/4"
$4.92
Add

$4.92 each
$79.75 / 25
$758.00 / 250

$79.75
Add
25
$758.00
250

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

Related Products

Flat washer

Flat washers, Stainless steel 18-8

General use flat washer

See also

Metric coupling nut

Metric coupling nuts

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