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How slow can your drill press go, gear head or only belts? Likely spinning too fast I would run that at about 60-80rpm and lots of pressure for a couple seconds, as Zeke mentioned there is a chance you work hardened the metal but really should not have if it is only mild steel, but mild steel is a loose term. If you still have sharp teeth on the hole saw try cutting from the other side of the plate.
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Last edited by 908/930; 11-04-2023 at 01:17 PM..
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