Also known as split pins, these have one prong slightly longer than the other so they’re easy to open. Bend prongs outward to secure.

A coil makes a stronger grip than standard hairpin cotter pins to prevent accidental release.

For parts that spin or are otherwise difficult to access, slide these pins in and tap them with a hammer for a temporary hold. Reposition work, then bend the prongs outward to secure.

Also known as key rings, twist these rings into place to secure clevis pins, connect components, or add a pull handle. They don't have the sharp ends of other cotter pins.

These pins are coiled for more tension than standard wire-snap cotter pins.

Twist these rings on to lock pins in place. They don't have the sharp ends of other cotter pins.

Also known as split pins, these have one prong slightly longer than the other so they’re easy to open.