A cotter pin is a small, metal pin with a split end that is used to secure mechanical components in place. Here is a detailed introduction:
A cotter pin typically consists of a cylindrical shaft with a pointed end and a split end. The split end is designed to be opened and spread after insertion through a hole in the components to be secured, preventing the pin from being pulled out.
Cotter pins are usually made of steel, which provides good strength and durability. Some cotter pins may be made of stainless steel to resist corrosion, especially in applications where they are exposed to moisture or harsh environments.
The main function of a cotter pin is to prevent axial movement of components that are assembled with a bolt, shaft, or other fastener. For example, in a vehicle's suspension system, cotter pins are used to secure the ends of tie - rod ends and ball joints. They are also commonly used in machinery, agricultural equipment, and various mechanical assemblies to ensure the safety and proper functioning of the equipment.
To install a cotter pin, first, a hole is drilled or provided in the relevant components. The cotter pin is then inserted through the hole. After insertion, the split end of the cotter pin is spread open using pliers or other tools. This spreading action locks the cotter pin in place and prevents it from coming out, effectively securing the connected components.
Cotter pins are simple and inexpensive devices, but they offer high reliability in preventing component loosening. They are easy to install and remove, which makes them convenient for maintenance and repair work. Their design allows for quick replacement if they become damaged or worn.
In summary, the cotter pin is a widely used and important mechanical fastener that plays a crucial role in ensuring the safety and stability of various mechanical systems.
ANSI Standard Galvanized Steel Split Pins
Also called as Cotter pins, split cotter pins. Made of spring steels, brass or stainless steel.
Generally used with clevis pins, slotted nut, bore, shaft, wheel and other device for locking purpose.
Metric size and inch size available, regular sizes in stock sales
