cotter pin

n. A split cotter inserted through a hole or holes and bent at the ends to fasten two or more parts together.

cotter pin

n 1. (Mechanical Engineering) a split pin secured, after passing through holes in the parts to be attached, by spreading the ends 2. (Mechanical Engineering) a tapered pin threaded at the smaller end and secured by a nut after insertion

cot′ter pin`

n. a cotter having a split end that is spread after being pushed through a hole to prevent it from working loose. [1890–95]

Thesaurus

Noun

cotter pin - a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apartcottar, cotter - fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together

cotter pin

Machinery1. a split pin secured, after passing through holes in the parts to be attached, by spreading the ends 2. a tapered pin threaded at the smaller end and secured by a nut after insertion

Cotter Pin

a wire strip semicircular in cross section and bent approximately in half. Cotter pins are used to fasten lightly stressed, coupled parts or to prevent nuts from loosening. After a cotter pin is inserted through a hole, its ends are separated. Half of the pin is longer than the other for convenient separation. Cotter pins are made of carbon steel.

cotter pin

[′käd·ər ‚pin] (design engineering) A split pin, inserted into a hole, to hold a nut or cotter securely to a bolt or shaft, or to hold a pair of hinge plates together.

cotter pin

A type of split pin used to safely secure a castle nut or a clevis pin. It is formed by doubling a piece of wire, semicircular in cross section, to form a loop at one end. After insertion in a hole or a slot in a nut and through mating crosswise holes in a bolt, the ends of the pins are bent to hold them in place. This fastener is widely used in locations where service inspection is difficult and failure would be disastrous. They are also used to prevent relative motion or sliding. Also called a cotter key.

cotter pin

cotter pin

cotter pin

cot′ter pin`

cotter pin

cotter pin

Cotter Pin

cotter pin

cotter pin

cotter pin

Words related to cotter pin

noun a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart

Related Words