A Thumb Pin is designed as a cylindrical rod with a threaded end and a head on the other end. The head provides a stopping point for the pin and prevents it from sliding out of the attachment. It is designed to fit into a corresponding threaded hole on the attachment bracket. It is used in the Excavators, Mechanical Arm.Attributes:• Induction hardened to improve the wear and fatigue resistance• Designed to withstand the load and stress exerted on the work tool during operationApplications:A Thumb Pin is used to lock the parts and prevent them from loosening during operation.