GR Srl is proud to introduce on its engine series GR300-400-600 and GR301-401-601 a new patented system for the union of the worm screw with the drive shaft.

This system, called Screw Lock System, allows a junction between the parties, which eliminates the criticality of using elastic plugs, screws etc.

Clear the possibility of rupture of what once was the most delicate part of these systems.

But there's more ... ... we see the MADE expo for other news