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

Hex bolt diameter

Diameter and Thread count

Matching Products

Click on a product # for additional info

Prod. # Description Buy
16022
Add
$0.40 / ea
$30.39 / 100
$219.00 / 1000
16034
Lock washers, Stainless steel 316, 7/16"
Split lock washers place tension against a nut after tightening, to help prevent loosening.
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$0.28 / ea
$24.60 / 100
$189.00 / 1000

See also

Metric hex bolt

Metric hex bolts

A bolt with a six sided head.