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A coiled pin, or spring pin, is a flexible fastener crafted from coiled spring steel wire, designed for creating secure and resilient connections between components. Widely used in machinery, automotive, and industrial applications, coiled pins are inserted into matching holes where they exert outward radial force, establishing a tight and stable fit. Their unique design allows them to absorb shocks and vibrations, making them suitable for dynamic scenarios. Coiled pins prevent relative movement between connected components, enhancing the overall stability and integrity of the assembly. With a relatively simple installation process and versatility in applications requiring a combination of strength, flexibility, and shock absorption, coiled pins provide a reliable solution in various industrial settings.