According to tomcas :
lens wrote:
I forgot to say that my MT2 arbor did not have a tang. From what DoN
said, maybe that was the real problem.

Your lathe doesn't need them.
http://tinyurl.com/7fy66

It may need one (or some projection) to extend far enough back
to self-eject when the tailstock ram is cranked all the way back.

It doesn't need to be a true tang, as long as it extends far
enough back to hit the end of the leadscrew a faction of a turn before
full retraction.

Enjoy,
DoN.

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