Miniature Milling Mt3
R8 vs MT3 mini mill Village Press. Nov 20, 2009· R8 Don''t bother with the mt3, you can get very little in the way of tooling for that, and your limited to the size of mill you can run. R8 is the defacto standard for mid to small sized milling machines and you can get all kinds of tooling and holders for R8.