How do you measure counter shank rivet?

To measure a counter shank rivet, you need to determine its diameter, length, and head type. Use calipers to measure the diameter of the shank and the overall length from the head to the end of the shank. Ensure to check the head dimensions, including its shape and height, as these can vary based on design requirements. Additionally, verify the material and any specific standards that may apply to the rivet being used.