Flange nuts

Flange nuts, Grade 8 steel plain finish, 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.

Flange 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

17678 1/2"-13
$0.34
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$0.34 each
$6.90 / 25
$59.70 / 250

$6.90
Add
25
$59.70
250

Fine thread

17681 1/2"-20
$0.36
Add

$0.36 each
$7.20 / 25
$62.40 / 250

$7.20
Add
25
$62.40
250

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SAE pattern is a tighter fit on the bolt and a smaller outside diameter.