Memorial Day Schedule
Bolt Depot is closed Monday May 29th. Orders placed over the holiday will ship on Tuesday May 30th.
Filters: 5/16" 3-1/2" Zinc External hex Steel Grade 8 Remove All

5/16" x 3-1/2", Zinc plated grade 8 steel, External hex

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.