NORD-LOCK Nordlock ring NL12 1530

Nord-Lock's proven wedge-locking method utilises tension instead of friction to secure a bolted joint, making it superior to traditional methods. When the bolt and/or nut is tightened the teeth of the washer grips and locks the mating surfaces, allowing movement only across the cam faces. Any rotation of the bolt/nut is blocked by the wedge effect of the cams.