Top quality lock nuts for critical joints
09-Jul-2015
For fifty years J. Lanfranco & Cie, headquartered in Paris, France, has been manufacturing self-locking slotted nuts with a reliability that it says is renowned in the rail and industrial sectors, when compared with locking by deformation nuts or nuts with inserts (nylon or metal).
J. Lanfranco’s dual slotted, self-locking system is superimposed on the nut body. The two slots are symmetrically opposite and perpendicular to the axis of the bolt. During manufacture the locking elements are deformed so that the slots are closed.
When installed the slots open, engaging and exerting a clamping force on the bolt thread flank on opposite sides and in differ (…)
