Quote:
Originally Posted by oil pan 4
Double Nutting with free spin nuts almost never works.
I normally use steel nuts as brass isn't always available.
The advantage of 304 on 304 is it almost never backs off lol.
316 are harder to find and are more expensive.
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I have never come across 304 hardware, it's machinability isn't very good, and pretty much only is in use because it's relatively friendly to forming, cheap, and can be welded.
The vast majority of stainless hardware is 316.