Universal models dedicated to large sized pieces (diameters from 30 to 300 mm). The standard version is equipped with 6 spindles on movable sleeves with the exception of the milling spindles, with 6 controlled axes (1 “X and one” Z axis for each head, plus those of the electromechanical clamping system); of great power and particularly suitable for unattended work. Possible processes: milling, centering, drilling, tapping, chamfering and collar with dedicated tools.