Cotter Pins

Split Pins, also known as Cotter Keys, or Cotter Pins, are “U” shaped metal engineered fasteners with two tines that are inserted into a hole during installation and bent to stop the cotter pin from coming out of the hole.

Cotter Pins Diameters

Cotter Pins are available on the FCH Network with Imperial/US diameters that range from #1 to 5 and with Metric diameters that range from M1 to M18.

Click on the diameters below to view or Search All Cotter Pins