Thread forming units

These units are used for shear and shape the metal sheet in order to realize the ”twist” or “spiral” in the metal sheet itself, such that to tighten self-threading screws avoiding the use of standard collar made by “tip” end, which is unreliable. The special shape obtained by these units allows to enhance the tightness of the thread of the threat. It is also possible to manufacture special models, tailored according to the customer’s drawings.