Description: Castle Nuts feature slots that allow for the insertion of a cotter pin, providing a secure and tamper-proof connection. These nuts are widely used in automotive, machinery, and construction industries, where their ability to withstand high stress and vibration is essential. Castle Nuts are ideal for use in wheel hubs, axles, and other critical applications, ensuring a strong and durable connection. Their unique design and reliable performance make them a preferred choice in industries that prioritize safety and durability.