Encyclopedia & FAQ's

DIY Frequently Asked Questions / Cotter Pin


  • DIY Frequently Asked Questions / Cotter Pin')"> Versatile fastening device.
  • Made of ferrous and nonferrous wire.
  • Comes in various diameters and lengths ranging from 1/32” x 1/2” to 1/4” to 18”.
  • Inserts into a hole in a bolt, shaft or similar part. An eye on one end prevents the pin from going through while prongs at the other end are bent back to lock the pin in place.