Metric nuts, 18-8 (A-2)

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

Metric nuts, 18-8 (A-2)
Flange nuts serrated A nut with a built in washer which is serrated to resist loosening. Stainless steel 18-8 (A-2) Also known as A-2 stainless, 18-8 is the most common grade of stainless steel for general use. Show Details Hide Details

A nut with a built in washer which is serrated to resist loosening.