Spring Lock Washers VSK - VSKD - VSKV - VSKZ
According to Bahn-Norm BN 208012-06 and SN60727
The reliable security device to prevent wide range of bolted assemblies from unscrewing and loosening.
The contact lock washer to NFE 25-511 and SN 70093 with grooved surface provides the designer the ability to secure vibrating screw assemblies effectively.
It is particularly suitable for use on slot fasteners, dynamic cross-loaded to the screw assemblies and applications that require high biasing forces.