... : 5050# Aluminium rivet body, Steel mandrelSize: 4.8 x 20 mmFinishing: Zinc PlatedPacking: 250 pcs/box, 20 boxes/ctnStandard: DIN and IFIOther kinds of ... plated, polishing, coatedDia.3.2 mm, 4.0 mm, 4.8 mm, 6.4mmAlso, we are able to supply some large ... competitive price and better quality Aluminium Steel blind rivets (4.8 x 20)