Quote:
Originally Posted by 81MC
Usual speed square with an 8mm bit, probably not? But if you have a small square, you just use the use it as a guide for the bit. It’ll keep you check on one axis, use your eyes on the other.
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Oh, I see what you mean. No, that wouldn't work, unfortunately. The back side of the disk is curved. I need to secure it in place solidly somehow. It must be 100% centered and straight. Drill press with 5" horizontal vise grip is probably the right answer, but I am still hopeful for the CP ingenuity solution.
