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Hollow pins are key contact components in sockets with a grounding pin and ensure a reliable protective earth connection. Due to their low weight, optimized bending strength, and the use of low-lead materials such as CuZn37, they offer design advantages over solid pins in modern installation systems.

Contact rivets are widely used contact parts in low-voltage switching devices. This reference article covers design and geometry, common silver-based materials, manufacturing and setting processes, typical applications, and practical selection criteria for engineering and purchasing.