I'm looking for a STUDER #S120 #Internal Grinders, but am open to other manufacturers and models.

I'm looking for a SUPERTEC #EGI-150 CNC-A #Internal Grinders, but am open to other manufacturers and models.

I'm looking for a VOUMARD #403/1000 #Internal Grinders, but am open to other manufacturers and models.

I need an internal grinding machine with a processing diameter of 400mm-500mm and a length of 1600 mm -2000mm