5/16"-18, Hot dipped galvanized steel, 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.
Carriage bolt

Carriage bolts & Plow bolts

Bolts with no drive and machine threads for use with a nut.
Nut

Nuts

Nuts have internal machine threads, for use with machine thread bolts and screws.
Rod & Stock

Studs, Rod & Stock

Studs, threaded rod, unthreaded rod and keystock for industrial, machining and manufacturing applications.
Eye bolts

Eye bolts & Screw eyes

Bolts or screws with a circular ring on the head.
U-Bolt

U-Bolts

U shaped bolts with machine threads for use with a nut on both ends.
Catalog Image

Turnbuckles

An internally threaded sleeve intended for assembly with a threaded stud, eye, hook or jaw at each end used for applying and regulating tension.