Winter Storm Alert
In anticipation of the incoming snow storm, Bolt Depot will be closed this Saturday 1/29.
We will be open all day Friday, 1/28 and should resume normal business hours on Monday 1/31.

3-1/2", External hex, 18

US Fasteners

Hex bolt

Hex bolts

Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Flange bolts

Flange bolts

Flange bolts have a flange on the bottom of the head that distributes the load like a washer.