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External Tooth Lock Washers

This type of lock washer is commonly used on binding head screws, pan head screws and round head screws, and is designed with teeth on the outside edge of the washer that bites into the screw head for a tight grip. It has greater vibration resistance than split lock washers. Serrated external tooth lock washers have angled teeth and offers an even tighter grip. Standard washers meet DIN 6767 specs and Serrated washers meet DIN 6798 specs.

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