What is the thread on the other end of a 9a spindle?


Hi all

As per the title, can anyone conform what the thread is on the back end ( not the 11/2 - 8 end) of a 9a spindle?

I'm not great at measuring imperial threads and I'm trying to design a simple 3d printed indexing wheel.

Join SouthBendLathe@groups.io to automatically receive all group messages.