What method have you found the most reliable and safe to clean and improve conductivity of flashlight threads. I've got a few cheap lights that are pretty unreliable and it appears the threads are the issue (flickering light levels...can be improved by twisting the ends back and forth a few times.)
Some of the ones I've seen mentioned are WD40 (though it will eat seals and o-rings), drain cleaner (oxidation?) and polishing compound.
Also, what lube do you use on the threads after cleaning?
Some of the ones I've seen mentioned are WD40 (though it will eat seals and o-rings), drain cleaner (oxidation?) and polishing compound.
Also, what lube do you use on the threads after cleaning?
