Metric Nord-Lock® washers

Material

• Stainless steel 316 (A-4)

  Also known as A-4 stainless, 316 is a highly corrosion resistant grade of stainless steel. Ideal in salt water and chlorine environments. More expensive than 18-8. A corrosion resistant steel alloy.

• Delta protekt® plated steel

  A low carbon steel for general use. Delta Protekt® is a zinc flake coating providing high corrosion protection.