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Galvanic corrosion between zinc and aluminum?


By dwilliams - Posted on 06 June 2010

I am going to tap my moto billet aluminum rack to that I can bolt my plastic rack that holds my saddle bags right to the moto billet rack.  Does anyone know if I can use standard zinc plated steel bolts to thread into the tapped aluminum rack without causing galvanic reaction corrosion?  Do I need to use aluminum or stainless steel bolts instead, or is zink ok?  Anyone have any clues on this, I've gotten mixed results from my google search.

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