Harbor Freight mini mill | The Hobby-Machinist Forums
I don't own a mini-mill, but I do own a harbor freight mini-lathe, and this is an important step in eliminating chatter and getting a good cut. Other that that, what ozone63 said, and know how to calculate your speeds and feeds. It is very simple and although it's not the final word by any means, it will give you a great starting point ...