219-310-8324Nord-Lock Washers
Nord-Lock is a world leader in bolt securing systems uses geometry to safely lock bolted joints in critical applications.
Nord-Lock washers secure bolted joints with tension instead of friction. The system is comprised of a pair of washers with cams on one side and radial teeth on the opposite side. The cam angle 'a' is greater than the thread pitch 'B' a wedge effect is created by the cams, preventing the bolt from rotating loose.
Nord-Lock washers are a proven, safe, bolting system. Securing bolted joints exposed to severe vibration and dynamic loads.
Product Benefits
- Maintains high clamp load and thereby ensures the function of the joint
- Quick and easy to install and remove with standard tools
- Locking function not affected by lubrication
- Defined and uniform friction conditions which result in a more accurate preload
- Same temperature characteristics as standard bolt / nut
- Reusable – in addition, Nord-Lock washers do not affect the reusability of fasteners
- The washers are hardened and can support and distribute great loads
- Washers with enlarged outer diameter available for flanged bolts / nuts
- High corrosion resistance
- Can be used with fasteners up to grade 12.9 (ASTM A574)
- Reliable locking, even for joints with short clamp length
- Secures fasteners at both high and low preloads
- No retightening needed • Verifiable locking function
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