5/16"-18 x 1-1/8", US, 316

US Fasteners, 5/16"-18 x 1-1/8", 316
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.