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A self-piercing (or metal piercing) rivet is similar to a tubular rivet except that they are produced from a stronger material and can be heat-treated to increase piercing capability. Piercing rivets are manufactured from a variety of grades of carbon steel, aluminum and stainless steel materials. Rivet plating or coating options are selected dependent on the application. Self-piercing rivets often replace spot welding and other “button” style clinch methods when a stronger