It is on subject? about safely removing a tap.
Nitric acid is not safe to use it can also damage your part.?
Sorry I know it not the answer you wanted. It would nice if they made a low cost EDM .
Dave?
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Miket_NYC
5:00am? ?
I'm sorry to see that in discussions this group doesn't ever seem to stay on the subject. This thread started with my posts using nitric acid lto remove taps and drills from aluminum