An Internal Tooth Lock Washer, also known as a toothed lock washer or split tooth washer, is a type of locking washer with teeth on the inner diameter. It is used underneath the nut or bolt head to secure and lock the assembly.Attributes:• Prevent excess movement of the components.• Protect against damage by distributing the load uniformly and reducing the tension on the fastener.• Reduce wear and damage on components.• Withstand high temperatures without losing strength or integrity.Applications:An Internal Tooth Lock Washer is used in applications that require a locking washer, such as machinery, equipment, and vehicles.