To prevent corrosion when coming into contact with dissimilar metals, here are some of the options for plating and finishes for fasteners.
By | Machine Design
Fasteners often come into contact with dissimilar metals—a recipe for corrosion. To prevent corrosion (and add some aesthetics), engineers often recommend that fasteners be plated or coated. Here is a quick look at some those platings and other finishes.
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Fasteners, The Fastener Museum
