Mild steel cotter pins, often zinc-plated for enhanced corrosion resistance, are commonly used fasteners in various mechanical and industrial applications. Also known as split pins or cotter keys, these pins are typically inserted through a hole or a slot in a bolt or shaft and then bent to secure the assembly in place. The zinc plating provides a protective layer that helps prevent rust and corrosion, making them suitable for use in outdoor or humid environments.

Cotter pins are designed to prevent nuts and bolts from loosening due to vibration or movement. They are commonly used in automotive, machinery, and construction applications to secure components such as wheels, pulleys, and clevis pins. The “split” design of the pin allows it to be easily inserted into the hole or slot and then spread apart to lock it in place.

Mild steel is often chosen for cotter pins due to its combination of strength, ductility, and affordability. This makes it suitable for applications where a reliable and cost-effective fastening solution is required. The zinc plating adds an additional layer of protection against corrosion, extending the lifespan of the cotter pin and the components it secures.

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