kessen ressorts fasteners Germany kessen ressorts models kessen ressorts prices

kessen ressorts fasteners feature internal threaded holes. Their shape is generally a flat hexagonal prism, but they can also be flat square prisms or flat cylindrical prisms. Used with bolts, studs, or machine screws to securely connect two parts into a single unit. The operating principle of a nut relies on self-locking through friction between the nut and the bolt. However, the reliability of this self-locking decreases under dynamic loads. In critical applications, anti-loosening measures are taken to ensure the reliability of the nut locking. It is an essential component for all manufacturing machinery.