Allready tried that Lee, while the hole is the right size the fixing holes will not work.
I had some made that were the same size as the SMA20, and this worked.
SMA16 was too small.

Quote Originally Posted by Lee Roberts View Post
Ok nps. i Had a look at the SMA16 and the FSU ballnuts last night and the SMA16 unit will take a FSU1606 ballnut units. May not need you to make me one now, that said the mounting holes wont be right i bet !