Great lesson learned thanks Joe I never would have guessed that the face could be out of square if the shaft was indicated true .Good morning from Australia, yes Mr Joe, you are a very good teacher and very onesto, i wish you all the happines and health to you and your Family, Good bless you, i do follow all your utbe presentations the best,and I'm subscribed on your channel, i have seen and i have learned a lot about lathe machining thanks to yo, can you please let me know what type of insert you using on that video of single point left to right treading, you are using? Thank you.