... 3.Size:4.8x20mm 4.Quality assurance Aluminium blind rivetsType:open end, dome headMaterial: 5050# Aluminium rivet body, Steel mandrelSize: 4.8 x 20 ... mmFinishing: Zinc PlatedPacking: 250 pcs/box, 20 boxes/ctnStandard: DIN and IFI Other kinds ... , dome/flat headFinishingZinc plated, polishing, coatedDia.3.2 mm, 4.0 mm, 4.8 mm, 6.4mm Also, we are able ...