Quality custom fastener supplier: Chromate conversion coating is a type of treatment that is often used for screws made of aluminum, zinc, or magnesium alloys. It provides a clear or iridescent finish that improves corrosion resistance and gives the screw a more refined, shiny appearance. This finish is commonly used in the aerospace industry and for electronic components. Recommendation for Clients: If the client requires a high-performance screw with a professional, high-end finish, chromate conversion coating is a great choice. However, this process is typically more expensive than zinc plating,…