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I was taught by my father the way to grind them by hand. The only thing I use to get them right is a L.S. Starrett drill point gage. It tells me if I have the correct angle and also measures the lips (cutting edge) of the drill I'm sharpening. When the angle and the lips are right your drill will have shavings coming out of both flutes. I have seen the Drill Doctor work and I think that they are a neat little tool and time saver.
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1983 300-D turbo
1985 300-D turbo
1959 Harley Panhead chopper
1929 Ford coupe restored
I hang out with Boneheaddoctor at Schuman Automotive OBK#5
All liberals are mattoids but not all mattoids are liberal.
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