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Tooth Lockwashers

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External Tooth Lockwashers

Lock washers come in a few different models for various uses. They are different from flat washers because of their shape. The most common type of lock washers (split lock washers) are disconnected and one side is raised a little higher than the other. Others have sharp inner or outer edges that lock them into place.

External lock washer – this lock washer has the best locking feature, with the teeth on the outside to better grip the material.

Manufactured to ASME B18.21.1 specifications
Hardness: Rockwell C40 - 50
Spring Steel Zinc Plated and Baked
Also available in Stainless Steel and Pitos Bronze

Internal Tooth Lockwashers

Lock washers come in a few different models for various uses. They are different from flat washers because of their shape. The most common type of lock washers (split lock washers) are disconnected and one side is raised a little higher than the other. Others have sharp inner or outer edges that lock them into place.

Internal lock washer – this lock washer gives a clean look once assembled. It has teeth inside it to lock itself to the material or shaft, the outside is smooth.

Manufactured to ASME B18.21.1 specifications
Hardness: Rockwell C40 - 50
Spring Steel Zinc Plated and Baked
Also available in Stainless Steel and Pitos Bronze

Combination Tooth Lockwashers

Manufactured to ASME B18.21.1 specifications
Hardness: Rockwell C40 - 50
Spring Steel Zinc Plated and Baked

Countersunk External Tooth Lockwashers

Manufactured to ASME B18.21.1 specifications
Hardness: Rockwell C40 - 50
Spring Steel Zinc Plated and Baked

Countersunk Finishing Washers

For use with 82º countersunk screws
Steel Nickel Plated
Also available in Stainless Steel and Brass