... rivetsRivet body material: aluminum, 5005/5050 aluminum alloyZinc plated, polished, painting, color sprayedHead type: Domed, countersunk, peel, ... 4 mm, 4.8mm, 6.4mmMandrel: SteelZinc plated, polished, paintingApplication:Widely used automotive, construction, electronics, energy, transportation ... from all over the world to cooperate with us base on mutual benefit.Assembling machine automatic, high ...