5/8" Screw, 0.663" ID, Steel Internal Tooth Lock Washer MPN:SIWIS0620USA-10

The 5/8 inch diameter internal tooth lock washer is a durable and versatile fastener used in various applications requiring strong holding power on the external surface of a material while allowing rotation of another component. Made from steel, this product features internal teeth that bite into the material being fastened, preventing loosening due to vibration or shock. With a screw size of 0.663 inches and an ID clearance hole size of 0.781 inches, this washer is compatible with most screws and bolts within its range. Its steel composition provides excellent strength and resistance to rust and corrosion, making it suitable for use in harsh environments such as chemical processing, food processing, and aerospace industries. This lock washer comes in a compact pack of 250 pieces, ensuring convenient access to these essential fasteners in various projects.