316, US, 6

US Fasteners

Lag bolt

Lag bolts

Large wood screws technically called lag screws.
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.