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Re: End mills vs. router bits for mortising

If I were to choose an endmill for wood I would use endmills intended for cutting aluminum. Standard carbide end mills do not have the same relief and are not nearly as sharp as the ones intended for aluminum. Standard carbide end mills do not have the sharp edge since cutting steel and stainless will wear it off fast and is more prone to chipping. Aluminum cutters have more clearance behind the cutter which get the chips out of the way, less burning, and they are polished and razor sharp.

I recommend the 3 flute variable cutters for aluminum from Lake Shore Carbide. I have been using them for years.



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