The Junker vibration test, according to DIN 65151, is considered the most severe vibration test for bolted connections. In this video we compare the performance of Nord-Lock washers with other locking methods. Nord-Lock wedge lock washers prevents bolts loosening by securing bolted joints with tension instead of friction. It is a high quality product with documented success in many industries worldwide. Nord-Lock safety washers have been rigorously tested and approved by independent institutes as well as
