Ive milled away the excess stock on the blades and carefully deburred the opposite side from the patterns.
You must deburr after each machining operation in order to have accurate perpendicular holes.
In case you're wondering I'm preparing to mill the blade flats. I don't rough grind the flats.
If you don't have a milling machine, you'll want to go ahead and grind your flats.
I suggest you keep the two blades together like I have so that one functions as a handle while you grind the other.
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