Quote:
Originally Posted by Bill Douglas
I've never sharpened a drill in my life.
But I'm guess in the case of high speed steel drills; you would only want to take 50 or 100 microns off?
I have a whole lot of good quality drill bits that could do with a freshen up. I also just tend to buy new ones.
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Sometimes you have to grind it 1/2 inch or more shorter if the flutes have been chewed up.
Then you start from scratch and best to thin the web. I wish I had a really thin wheel for that.