Pipe Threading Oil

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Pipe Threading Oil

Postby charlesb » Tue Jan 13, 2015 11:57 am

I tried something weird the other day, and got outstanding results on carbon removal.

After cleaning with Hoppe#9 and getting slightly grey patches, but mostly clean, I had a wild hair and wetted a patch with some foaming thread-cutting lube intended for pipe threading that had found its way to the bench.

By the time I ran that patch back and forth through the bore four times, it was as black as ink with carbon.

I've never seen anything break up carbon like this stuff!

Note that I then followed up with Hoppes#9 to get the thread-cutting oil out of the bore. When I did, I started seeing green from copper that the carbon had apparently covered up.

Pipe-threading oil... Who would have thunk it?

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Postby greener » Wed Jan 14, 2015 6:55 pm

Thread oil seems to be mineral oil with additives. Might be worth a try.


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Postby blue68f100 » Wed Jan 14, 2015 7:10 pm

Some are high sulfur compound. They do have good wetting properties which is common to penetrating oils.

Would have never tried it. Good to hear that it work well.

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