GB12618 BLIND RIVET .5050Aluminium and Carbon steel. It can be used in garments,.cloths,bags,construction, decoration,airplane,air-conditioner. Alumninium steel rivet is mainly used in fastening two objects so as to make fixed tightly. Compared with common blind rivet, the diameter of the aluminum cap of the rivet is significantly larger. When the rivet is riveted with the connecting piece, the rivet has a larger contact area and a stronger supporting surface, thus enhancing the torque strength and withstanding higher radial pulling force.