How to Design Assemblies That Use Coiled Pins for Locating and Alignment

To achieve optimal alignment when using Coiled Pins, two primary design elements must be adhered to: 1) The hole diameters in the host and mating  component must be correctly sized to achieve the desired interference and accuracy of alignment. 2) The engagement length of the Coiled Pin in the component providing primary retention must be no less than 60% of the pin’s overall length.