1/4" x 1-7/8"

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.
Socket product

Socket screws

Screws with an allen wrench drive.
Eye bolts

Eye bolts & Screw eyes

Bolts or screws with a circular ring on the head.