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NORD-LOCK Washers

Anti-rotation locking

Nord-Lock secures threaded connections and effectively prevents spontaneous loosening, even under strong vibrations.

Nord-Lock wedge-locking washers are mechanical machine elements. They secure threaded connections under vibration by increasing the preload force rather than by friction,making them superior to conventional screw locks.

nord-lock washers
WEBSITE
www.nord-lock.com
  • Method / principle

    Nord-Lock consists of two identical wedge-locking washers, featuring radial cogs on one side, which press positively into the mating surface, and wedged cogs on the other, which increase the preload force under vibration.

  • Applications

    The use of Nord-Lock washer pairs is beneficial wherever there is a risk of a threaded connection working loose.
    Even under strong vibrations and dynamic loads, Nord-Lock guarantees maximum anti-rotation locking since over 30 years.

  • Product benefits

    - Optimal locking solution under strong vibrations and dynamic loads
    - Well-established locking system for threaded connections
    - Can be used with screws/nuts of all property classes (up to 12.9)
    - Simple to detach and reusable with no performance loss
    - Reliable locking element

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