Zinc plated steel, 16, US, 3-1/4"

US Fasteners, Zinc plated steel, 16, 3-1/4"
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.	Eye bolts & Screw eyes Bolts or screws with a circular ring on the head.