Quote Originally Posted by engineer steve View Post
That works perfectly (oops I said it again) but not everyone has a lathe, also if you have a bigger part with a round feature that needs 'perfect' center drilling, this method comes in handy. If you need to center a lot of parts it is indeed nice to have a wiggler.
Yep, I never said the method of finding center in a mill or drill wasn't needed. And your method is somewhat easier than X,Y kiss off divide the diameter by 2

A dial indicator mounted on a boring head is a must when trying to match up to a previously bored location Chasing zero zero boils down to Occam's razor. You can go half the distance remaining to near infinity and still never find true zero