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Hex bolt diameter is measured on the outside of the threads.

Important Note: Due to the plating thickness, only hot dipped galvanized nuts should be used on hot dipped galvanized hex bolts.

A325 structural hex bolt diameter

Diameter and Thread count

Matching Products

Click on a product # for additional info

Prod. # Description Buy
21625
Structural washers F436, Hot dipped galvanized steel, 3/4"
A thick flat washer intended for use in structural connections.
$0.40 / ea
$16.68 / 50
$140.00 / 500
2986
Lock washers, Hot dipped galvanized steel, 3/4"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.49 / ea
$15.20 / 50
$136.00 / 500