Hex bolt

Hex bolts, Hot dipped galvanized steel, 5/16"-18

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.

Hex bolt diameter

Diameter and Thread count

Matching Products

Click on a product # for additional info

Prod. # Description Buy
USS flat washers, Hot dipped galvanized steel, 5/16"
USS pattern is the most common type of flat washer.
$0.08 each
$4.44 / 100
$39.10 / 1000
Lock washers, Hot dipped galvanized steel, 5/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
$0.07 each
$3.99 / 100
$35.50 / 1000

See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.