Standard Steel Blind rivets have a steel rivet and mandrel and large flange diameter. The 1/8” large flange rivet has a .390” OD.
Aluminum Rivet Washers
Lightweight Dzus Weldment with S Spring, 1 1/2″ x 1 1/2″
Rivet Nut Installation Tool, 1/4″-20
Steel Pop Rivet, Large Flange, 3/16″ (.1875″)