Blind hollow aluminum rivet 1.ISO,ANSI,CE,DIN,BS& non-standard fastener ... 3.Grade:4.8 ,6.8,8.8....... Blind rivet,Aluminum rivet,Hollow rivets.1.What’s the specification of our ... ,Alloy steel,Copper,Aluminum are available.Carton steel is high quality iron,such as 1022,1018,1010,1008,1015...Medium ... more than 20 years experiences in screw,bolt,nut,washer,rivet, stud, pin,wrench and so on .2.Our company ...