Fastener coatings or finishes improve appearance, increase corrosion resistance, and provide lubricity. Electrodeposited coatings: Zinc, cadmium, tin, nickel, and chromium coatings are most common for ...

Engineers have a range of coatings and finishes they can specify for metal hardware such as retaining rings, wave springs, latches, hinges, and fasteners. The finishes can be functional or aesthetic.