Description
Cotter Pins, commonly known as Chira Pin or Split Pins, are essential mechanical fasteners used to secure nuts, bolts, clevis pins, and other fastener assemblies by preventing loosening due to vibration or movement. Manufactured from high-quality steel or stainless steel, these pins provide excellent strength, durability, and reliable locking performance in a wide range of industrial, construction, automotive, and mechanical applications.
Designed with a split, bent structure, cotter pins are inserted through a pre-drilled hole and then spread apart to lock the fastener firmly in place. This simple yet effective design allows for quick installation and easy removal, making them ideal for applications that require periodic maintenance or adjustment.
Cotter Pins / Chira Pins are widely used in machinery assemblies, automotive systems, agricultural equipment, construction frameworks, and industrial hardware installations. Their robust construction ensures resistance to shear stress, vibration, and mechanical movement, maintaining safety and stability even in demanding working conditions.
Available in various diameters, lengths, and material options, cotter pins are suitable for both light-duty and heavy-duty fastening needs. Manufactured in compliance with international quality standards, they ensure consistent performance, long service life, and dependable fastening, making them a trusted choice for professional use.





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