Quote Originally Posted by Christophe Mineau View Post
mmmh, nothing noticeable, it seems to turn round enough, but I must admit I have not measured it yet, I will do.
Did you have any bad experience about that ?

Yes, I helped out a friend that purchased a CNC with the 4th axis, it had ~0.41mm of runout. And it was from a high end seller here in the States.