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