Cutting device (1) for shredder machine (d), characterized in that it comprises: - a first metal plate (10), and - a second metal plate (20), hingedly connected to the first plate (10) by one of its ends, Wherein said second plate (20) has lateral cutting grooves (21) located on at least one of its longitudinal faces. (Machine-translation by Google Translate, not legally binding)1. Dispositivo de corte (1) para máquina desbrozadora (D), caracterizado porque comprende: - una primera placa (10) metálica, y - una segunda placa (20) metálica, unida de forma articulada a la primera placa (10) por uno de sus extremos, donde dicha segunda placa (20) tiene unas hendiduras de corte (21) laterales ubicadas en al menos una de sus caras longitudinales.