Standard Steel Blind rivets have a steel rivet and mandrel, available in a standard diameter domed head.
Heavy-Duty Rivet Nut, 1/4”-20
Aluminum Pop Rivet, Large Flange, 3/16″ (.1875″)
Rivet Nut Installation Tool, 1/4″-20
Steel Pop Rivet, 1/8″ (.125″)