1/2" x 11", US, Zinc plated steel

US Fasteners, 1/2" x 11", Zinc plated steel
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.	Carriage bolts & Plow bolts Bolts with no drive and machine threads for use with a nut.