Standard Steel Blind rivets have a steel rivet and mandrel, available in a standard diameter domed head.
Rivet Nut Installation Tool, 1/4″-20
Closed End Blind Rivet, 5/32″ (.156″ OD)
Aluminum Pop Rivet, 1/8″ (.125″)
Steel Pop Rivet, 3/16″ (.1875″)