1/2" Screw, 0.53" ID, Stainless Steel Internal Tooth Lock Washer MPN:R63082224

This internal tooth lock washer is precision engineered from high-quality stainless steel that offers maximum corrosion resistance, ensuring durable service even in the harshest environments. With an internal diameter of 0.53 and overall dimensions fitting snugly within applications requiring a 0.62 hole size, it's designed for superior performance on bolt diameters ranging from 0.471 to 0.589 inches, accommodating standard screw sizes between 1/4 and 5/8. Its spiral-locking action makes it ideal for critical applications where vibrations or loose fasteners are potential concerns in industries such as automotive, aerospace, marine and general machinery, preventing loosening under high torque, dynamic stress or repetitive movement.