Hairpin Cotter Pin Dimensions

Cotter retainer pins have a wide range of uses from securing castle nuts to keeping clevis pins in place.

Hairpin cotter pin dimensions.

Hairpin cotter keys also called bridge pins hitch pins or r clips consist of a single length of hardened metal wire in a general letter r shape. This pin locks larger pins in place. Lengths are not standardized. They are inserted through cross holes in standard clevis pines or secured around the groove in a grooved clevis pin.

A cotter pin is an incredibly useful item particularly when fastening parts of machinery together. Hairpin cotter pin mimics a bobby pin with one continuous piece of metal formed into a large ring at the head end and a w form at the other. The way the length of a cotter pin is measured depends on the style of the points. Double loop hair pin cotters are also available.

American standard cotter pin sizes are in nominal fractional inches starting at 1 32. Designed to work with the groove or hole at the tip of a hitch pin. Wire snap cotter pins. And yet if the size of your cotter pin is off the function and safety will be hugely compromised.

Hair pin cotters are generally meant to be used in through holes while hair pin clips are generally meant to be used on a groove. For more secure cotter pin options try our popular locking cotter pin inventions bow tie locking cotter pins or rue ring locking cotter pins. Learn how to best measure the size of cotter pin you ll need. For pins larger than that the pin and hole size are the same.

The sizes below 5 16 inch are intended to fit a hole 1 64 inch larger than the pin size. Also known as safety pins these are easy to install and remove. These pins may be used to two vehicles. Cotter pins and hairpin cotter pins are ideal for quick assembly.

Strong hold wire snap cotter pins. Hairpin cotter pins also known as hitch pins are easy installed and removed for securing axles clevis pins and other shafts and parts.