Reply by hhhopks

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Posted on How do you identify good steel from bad in tools like drill bits

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651 posts in 2370 days

#1 posted 12-19-2012 01:05 AM

I have never sharpen twist drill bits myself but I have sharpen auger and spade bits by hand.

I also have observe a die-maker using a grinder wheel and just eye balled it to sharpen twist drill bit. Evidently, it worked great. He proceed to put it on his air drill to complete drilling a hole on cast steel (working on a die). I was impress especially from this particular die-maker who wasn’t known to be the best of the lot. So it can’t be that hard.

-- I'll be a woodworker when I grow up. HHHOPKS

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