w3dge
Contributor
They're stainless if you buy stainless ones.
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But lockwashers are not stainless ... or you got stainless ?
I put locktite on the screws for my STA. It's not too tough to intentionally break, and it solved the problem of having to tighten the wing nuts before each dive. https://www.amazon.com/Loctite-Heavy-Duty-Threadlocker-Single/dp/B000I1RSNS/