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RBnDFW

wrote:
On Apr 22, 9:20 am, RBnDFW wrote:

Yes carbide does give you a better surface finish if you have a higher
speed, but he is doing this on a Mill Drill. So I would use a slow
speed.
Still OK with carbide, right?

Yes.

If you have some cast iron handy, it would be good to do some practice
machining is Roger Shoaf suggested.

Dan

I think I have several calipers and similar items laying around.
I'll do that.