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03-31-2016, 11:39 PM
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#9 |
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Registered User
Join Date: Mar 2015
Location: Ontario Canada
Posts: 1,612
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Re: Fastener question
Black oxide is is basically a controlled oxidization process. What keeps it looking black and corroding any further is the oil that's applied in the pores of the material. It works fairly good for machine tooling, but will rust fairly quickly when used as automotive fasteners.
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