6, Hot dipped galvanized steel

US Fasteners

Nut

Nuts

Nuts have internal machine threads, for use with machine thread bolts and screws.
Eye bolts

Eye bolts & Screw eyes

Bolts or screws with a circular ring on the head.
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.