Officine Montorfano is equipped with a highly specialized department for the construction of eccentric shafts and hydraulic pistons for use in forming application.
The eccentric shafts for presses, shearing machines and pumps are manufactured using forged steel, and all the mechanical operations up until the final grinding are performed internally by highly specialized personnel.

Officine Montorfano manufactures hydraulic pistons for presses with diameters up to 1600 millimeters and weights up to 15 tons. As a function of the application, the pistons are subjected to final surface treatments such as induction hardening, chromium surfacing, polishing and super finishing.