Alzalin I have gone through 2 UCCNC 300eth and this is my second M-16 ..So I feel your pain trying to figure thing out . I have a ton of money tied up in a machine that wont thread . The only reason I am doing this, is to thread . I have an old south bend and I am getting to old to see good enough, and its hard to be bent over a manual machine any more . I'm 55 and have been running lathes since I was 14 . Thanks for the input sir .