How to Use a Cotter Pin

How to Use a Cotter Pin?

Cotter pins can be used to fasten a bolt and nut assembly. Some typical applications include the locking mechanism used in castle nuts on automotive hubs and the repair of a bike’s crankshaft. Split pins can be used to build puppets with moving parts, statement necklaces, knitting looms, and garden pinwheels, among other DIY projects. […]

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