1/2" Screw, 0.53" ID, Steel Internal Tooth & External Tooth Lock Washer MPN:SEIWIS0500USA-1

1/2in Screw, 0.53in ID, Steel Internal Tooth & External Tooth Lock Washer is an essential lock washer that offers increased grip and prevents loosening of bolts and screws. Made from steel material, it provides excellent strength, durability, and corrosion resistance. It features internal teeth that secure the screw head while external teeth grip the fastener for added stability. With a diameter of 0.53 and a length of 0.198, this washer is ideal for various applications in construction, automotive, and hardware industries.