Re: The Ford Books Fastener Guide
I spray on silicone to protect the S-2 finish fasteners that I use.
Unlike real plating (cadmium, zinc, silver, gold, nickel, etc.), black oxide doesn't add any material, but rather colors the steel and a petroleum solution provides modest corrosion protection. It is a very fast process and fairly large batches are done in about a half hour, at least at my source in Michigan.
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