Machines type AT100/120 are boring machines with moving column with column movement perpendicular to the X axis (T-Type). The machine structures are made of Italian cast iron and have been subject to a stress relieving treatment. The system utilizes modern electronic technologies so to ensure long lifetime and high reliability of the mechanical and electronic systems, as well as an extremely high precision. Furthermore there is the possibility equip the machine with an automatic tool changer and a pallet-changer. The wide range of special accessories increase the flexibility and versatility of the machine for all customer requirements and permits to use the AT100/120 models also for milling and finishing operations.