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Originally Posted by Dave
Max,
I think the aluminum case is still best for threaded fittings. Given there is little exposed area and the Anolok finishing is very corrosive resistant.
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From the little I've seen (spent a couple of years a
long time ago working on high-pressure hydraulics), fitting threads, particularly for tapered fittings, are the one point where a surface treatment will fail.
You
are supplying the male fittings as well? Something softer than the Anolock surface?
Also - is Anolock electrically driven? Or is it a acid-dye process? If it is electrical, I'd be concerned with getting a good coating on the thread root of female threads, which, I
think gets a good workout in tapered fittings - not just the thread flanks...
I'm sure you went through all this - sorry to be an armchair quarterback...