Standard aluminum Blind rivets have an aluminum mandrel, available in a standard diameter domed head.
Aluminum Pop Rivet, Large Flange, 1/8″ (.125″)
Heavy-Duty Rivet Nut, 1/4”-20
Aluminum Pop Rivet, Large Flange, 3/16″ (.1875″)
Closed End Blind Rivet, 1/8″ (.125″ OD)