... and GB 2 Body:aluminum mandrel:steel 3 Size:2.4-6.4 4 ISO9001 Aluminum Open Type Rivet1 ... Standard:DIN and GB 2 Body:aluminum mandrel:steel3 Size:2.4-6.44 ISO9001As ... strongest rivet in the product rang.2)Application,Automotive,Containers,Computer case,Furniture,Electric equipment ,Building... 3)Dia, ... close end, dome/flat headFinishingZinc plated, polishing, coated Aluminum Open Type Rivet