Hi all...

Long time since I have been on this forum until now seeking advice. Excuse my absence!

I have a plunging Mortiser (Grizzly #T10816-Bench Top Mortiser), which I find pretty useful for regular woods but when trying to mortise hardwoods-- Sapelle, black walnut, oak, etc., it is mostly impossible to mortise these woods, even with brute force. Chisels are sharp as well as the bits.

Any solution to mortise these hardwoods? Thank you all...



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