A hairpin clip, also known as a retaining pin,[1] is a type of formed wire used on a grooved shaft. It is designed to be easily installed and uninstalled, and is reusable. They are commonly made from 1050 carbon steel and 300 series stainless steel.[2]

References

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  1. ^ Pins, retrieved 2009-08-19.
  2. ^ Hairpin clips, archived from the original on 2004-08-07, retrieved 2009-08-19.