EnggPedia - The Engineering Encyclopedia


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Tool Design

Keys - Definition, Types of Keys, Uses & Applications

Key in a Key seat

Key is a milled steel piece inserted in an axial direction between shaft and hub to prevent relative motion. Keys are used as temporary fastener and are subjected to shearing and crushing or compressive stresses

Cotters - Definition, Types & Uses Applications of Cotters

Cotter is a wedge shape milled steel or wrought iron piece rectangular in cross section. Its width is tapered either on one side or both sides from one end to the other for an easy adjustment.