Spot drilling lesson

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bmachin

Member
Joined
Jul 28, 2013
Messages
613
Location
Owensboro, KY
I realize that we are just in the hobby/business of turning pens and don't need the sooper-dooper accuracy/precision that machinists do on a regular basis. However, the topic of center drilling comes up with some frequency here. Anyway, I ran across this post today which gives a pretty good comparison of the different types of drill bits available and how they perform. The post I'm referring to is about half way down the page by 6061billet here:

Spotting Drill Lesson Needed - Page 4

Actually The whole thread is kind of interesting with a lot of back and forth.

Hope some of you find it worth your time.

Bill
 
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