3 Faster and Better Ways to Make Mortise and Tenon
2010-6-22 · I down size by one. That means to cut a mortise to accept a 3/4 inch thick tenon, I will use a 5/8ths chisel or forstner bit. The undersizing allows me two freedoms. 1. If my drilling is off by a tiny bit from the center line of the scribed lines of the mortise, it is no bit deal, the smaller bit still falls within the proscribed space.
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