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Old 01-29-2013, 04:04 AM   #1
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Replacing exterior screws with Stainless Steel


First off, this is a re-post to an old thread. The comments to the OP weren't addressed, and I thought it was a good question and so looking to the metal fabricator gurus for insight!

Originally Posted by bornerdm View Post
I read in a boating mag. that stainless and alum. are not a good idea to combine, the stainless will cause the alum. to corode?
Originally Posted by mhartzel View Post
It's called galvanic corrosion. Any time you have two metals that aren't exactly the same, they will cause each other to corrode.
Would replacing with SS screws be advisable? I understand that stripping can also occur too. Seems like a great idea other than the potential for corrosion between the two metals.

My TT (and most new TTs/5th) has aluminum stud framing, are there good aluminum screws that would address this then?

Hope the question is clear, would like to know if its a good idea.

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