A split roll pin, also known as a spring pin, and sometimes a tension control pin, is a self retaining engineered fastener manufactured by roll forming a metal strip with a split enabling compression.

Split roll pins have a body diameter larger than the recommended hole diameter and chamfers on both ends to facilitate starting the pin into the hole, the spring action of the pin allows it to compress as it assumes the diameter of the hole.

When split roll pins are installed, the compression starts at the outer edge and moves center. Split roll pins continue to flex after insertion when a load is applied to the pin thus providing excellent performance to counter fatigue in dynamic applications.

Roll pins are commercially available in standard duty [this is what we provide], heavy duty (ISO 8748), and light duty (ISO 8751), which provide for a variety of combinations of strength and flexibility to suit different performance requirements. Typical materials for split roll pins include steel and stainless.

Talk to Hardware Everywhere’s knowledgeable customer service team for help choosing the fasteners that match your application. Call us at 1-800-432-8979 or contact us online.