Filters: 11 4-1/2" US 5/8" Grade 5 External hex Hex Remove All

5/8"-11 x 4-1/2", US, Grade 5, Hex head

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.