Paulin External Tooth Lock Washers Zinc 7/8", Black Box (100 pcs)
External Tooth Lock Washers are used to lock nuts in place. They are serrated washers that create tension between the washer's teeth and the installation surface. External Tooth Lock Washers are used to lock assemblies underneath the head of the fastener or a nut.
- The zinc coating applied serves as a protective barrier against corrosion resistance.
- Made from steel.
- The external teeth provide excellent locking capability by biting into fastened materials.
- They are straightforward to install and do not require any special tools.
- Commonly used in the automotive and electronics industries to construction and industrial machinery.
- Hardness class is 392-513 HV.
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