On 4/6/2015 3:51 PM, Dwayne Reid wrote:
> Many thanks for the suggestion.
>
> I'm avoiding black oxide for now because they rust easily.  We used
> to build out industrial process oven control boxes using 6-32
> flat-head hex socket screws with black oxide finish to mount the
> circuit boards to the door of the cabinet.  I found that they
> completely rust over after a period of time.
>
> Because these patch panels are part of the building's infrastructure,
> their expected service lifetime is many decades.  I know that they
> are going to get dirty over that time period but I really want to
> avoid having rusted screws.

Dwayne,
McMaster-Carr sells black oxide stainless steel screws:
http://www.mcmaster.com/#91249a108/=3Dwn0w6r

They have various varieties. I just picked this one randomly.

-
Martin

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