What Is a Cotter Pin Puller

Overview. General’s Cotter Pin Puller helps you to easily and safely remove steel cotter pins from confined areas. The compound bend design facilitates use of the tool with either a pull or a twist motion. In addition, the heavy duty screwdriver handle provides a familiar, comfortable grip.

What is a pin puller used for?

Functions. A pin puller is almost unlimited for one shot type devices. They are used for emergency door release on helicopters and space capsules, fin and wing release, fuze arming, satellite release systems and missile release.

What do cotter pins look like?

Also known as a split pin, a cotter pin is a simple fastener that’s used to secure a bolt — or any other rod-shaped fastener — in place. As shown in the adjacent image, cotter pins consist of a narrow U-shaped piece of metal with a flared and circular top.