Reply by Whiskers

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

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389 posts in 2052 days

#1 posted 12-15-2012 04:11 AM

lol, yeah glad, I know that now, didn’t know it when last I tried to drill steel which was a long time ago. Web is a wonderful place, you can learn anything from it. But still the bits I have didn’t even dent it. They are visibly dull. That why I’m asking about this. I got all these old antique twist drill bits, and I want to find out whether I should refurbish them to make them good, or just splurge and buy new. A drill doctor is about $100, that a alternative, a new set of good bits is also about $100. Considering all bits dull, well the math is simple if I have good bits.

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