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Re: Dull drill bits - throw them out
Dull drill bits are not worth keeping around. Replacements are cheap and dull tooling will reflect itself in the quality of your finished pieces.
As for regrinding, in my limited experience its not worth it for small bits. A drill bit requires precise geometry which varies significant among different styles, manufacturers, sizes, purposes etc. A harbor freight sharpener or even a $1500 sharpener just isn't going to cut it.
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Last edited by Rickertsen2 : 13-03-2010 at 23:04.
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