The sky is falling the sky is falling I must tell the King!!
Bet this guy has a fuzz buster and never gone over the speed limit either!
YMMV, machinist for 25 years all fingers intact and have both eyes! This
isn't rocket science its taking away metal from a solid piece of material.
As far as the OP goes Black Oil for tapping is cheapest, and WD-40 for
cutting aluminum will work fine for the hobbiest.
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