Quote Originally Posted by routercnc View Post
Interesting machine

The cross rail being drilled about 2mm out- if I understand correctly then I think you need to slot the through hole. If you don't have a mill then you may be able to use a router and carbide bit or pillar drill with counterbore bit plus some filing.
not an ideal solution, but I think it will be adequate, there is a 3rd bolt for each end from underneath so plenty of fixing, and the counterbores are going to be covered at some point with something to keep the ballscrews and rails clean