Filters: External hex Steel Grade 5 2-1/2" 7/16" US Hex Remove All

Hex head, Grade 5 steel, 7/16" x 2-1/2", US

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.