... and best price Aluminium open end blind rivetsType:open end, dome headMaterial: 5050 5052 5056 5154# Aluminium rivet body, Steel mandrelSize: All sizeFinishing ... for choice, as follows:MaterialAluminium, steel, stainless steel, CopperTypeopen/close end, dome/flat headFinishingZinc plated, polishing, coatedDia.3.2 mm, 4 ...