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  • Tooth Lock Washer

Tooth Lock Washers

A Tooth Lock Washer is a specialized type of lock washer designed to prevent loosening caused by vibration and torque. Its serrated edges or “teeth” bite into the mating surfaces, creating a secure grip that resists rotation and maintains tension in bolted joints. Tooth lock washers are ideal for applications requiring high vibration resistance and consistent clamping force.
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Types of Tooth Lock Washers

  1. Internal Tooth Lock Washer

    • Features teeth on the inner edge.

    • Best used under the head of a bolt or screw.

    • Ideal for smaller head fasteners or electrical connections where smooth external edges are needed.

  2. External Tooth Lock Washer

    • Teeth are located on the outer circumference.

    • Provides greater locking power.

    • Commonly used under nuts or large-headed bolts for maximum holding strength.

  3. Internal/External Tooth Lock Washer

    • Combines both internal and external teeth.

    • Delivers superior locking and load distribution.

    • Perfect for heavy-duty or high-vibration environments.

 

Why Choose American Bolt Corp

At American Bolt Corp, we supply a complete range of Tooth Lock Washers to meet your fastening needs. Whether you require standard sizes, custom specifications, or bulk quantities, our experts ensure you get reliable, high-quality components for every application.