Nord-Lock Washer
Nord-Lock X-Series Washer (NLX)
Nord-Lock X-Series washers are advanced mechanical fastener solutions designed to secure bolted joints in the most demanding applications. They uniquely combine two proven technologies: wedge-locking and spring effect. The wedge-locking action prevents bolt loosening caused by vibration and dynamic loads, while the spring effect compensates for loss of preload due to settlement and relaxation. This dual-action mechanism ensures maximum safety and reliability in bolted assemblies.
Their innovative design makes them especially effective in applications involving short clamp lengths, soft materials, or thermal cycling.
Nord-Lock ORIGINAL Washer (NLO)
The Nord-Lock Original washers are high-performance mechanical fasteners designed to secure bolted joints exposed to severe vibration and dynamic loads. They use a unique wedge-locking technology, which relies on tension instead of friction to prevent bolt loosening. Each washer pair has cam faces on one side and radial teeth on the other. When the bolt is tightened, the radial teeth grip the mating surfaces, and the cam angle—being greater than the thread pitch—creates a wedge effect that prevents rotation.
Nord-Lock Original washers are widely used in industries such as construction, energy, transportation, mining, and manufacturing, offering increased operational reliability, reduced maintenance, and enhanced safety in critical bolted connections.
Nord-Lock Stainless Steel Washer (NLSS)
Nord-Lock Stainless Steel Washers are high-performance locking washers designed to secure bolted joints in corrosive and demanding environments. Utilizing wedge-locking technology, they consist of a pair of washers with cam faces on one side and radial teeth on the other. When the bolt is tightened, the radial teeth grip the mating surfaces, and the cam angle—being greater than the thread pitch—creates a wedge effect that prevents loosening due to vibration or dynamic loads.
Laser-marked for traceability, they ensure long-term joint integrity and reduced maintenance in critical applications.
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