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post #21 of 22 Old 04-08-2013
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Re: Aluminum screws instead of stainless

Originally Posted by MarkSF View Post
How about Monel rivets?
Monel grade 50 cherry rivets ( blind or pop rivets ) are use in aircraft some times on aluminum because they are lower on the Galvanic chart then the SS grade 51 cherry rivets but they are not a strong as the SS grade 51's in both shear and tensile strength

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post #22 of 22 Old 04-08-2013
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Re: Aluminum screws instead of stainless

And outboard motor goes through hell and something as simple as a coating of PERFECT SEAL GASKET SEALER is more than enough to make a saltwater lower unit pretty easy to take apart on the next service

If you look at BIG OUTBOARDS were there is plenty of money one of the solutions used by the OEMs who know a bit is chrome plated SS bolts

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