aluminum blind rivet 1.Diameter: 3.2-6.4mm. 2.Length: 6-30mm. 3.Head type: round. 4.Material:alumi aluminum blind rivet1. Materials: Aluminum (5050)/ steel/ stainless steel2. Finish: baking vanish,3. Head type: dome head. CSK head, large flange head,4. Diameter: 3.2mm, 4.0mm, 4.8mm, 6.4mm, (1/8, 5/32, 3/16, 1/4)5. Length: 6mm - 30mm,Packing details:1. 25kgs/ carton, then in pallet,2. 1000 or 500 ...