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Subject:
Re: Drill bit question
Response To:
Drill bit question ()

Keith Newton
I usually grind a little flat where I start the hole.

Use caution on the exit size too, since it will break through on the sides before the middle, which will cause it to climb the bit on a fast spiral. If you have a DP vice this helps hold it down

I sometimes grind a flatter cutting edge on the face to change to more of a scraping cut to prevent breaking a bit,

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