Nord-Lock wedge-locking technology secures bolted joints with tension instead of friction. The system is composed of a pair of lock washers with cams on one side and radial teeth on the other.
Nord-Lock wedge-locking products secure the fastener in a joint which cannot be loosened even when subjected to extreme vibration or dynamic loads. The Nord-Lock range includes washers made from a variety of materials and using a variety of coatings, to ensure performance in whatever conditions your applications require.
Bolted joints fail for two reasons - spontaneous bolt loosening and slackening. Nord-Lock multifunctional wedge-locking technology tackles both.
The wedge-effect prevents spontaneous bolt loosening, whilst the spring effect compensates for loss of preload due to slackening – offering you total security for those situations when there can be no compromise.