It’s the main working for the Giacomo Martinelli Srl. Thanks to the experience of more than 50 years of history and passion the personnel of the company is able to manufacture standard and non standard thread rolling operations, starting from M-MJ 1,8 up to M-MJ 120. Two different kinds of workings have to be consider: manufacturing of automatic thread rolling operations -for big batch- and thread rolling operations with CNC used for sampling or for particular with huge resistance or specific characteristics.
