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Cotter Pin

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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. When you need something bigger, sturdier, and weather-resistant, it can be utilized to substitute hairpins in DIY crafts. In this…