Rivet 1 Size: 3*8-5*30 2 Material:Mild steel, AluminumStainless steel 3 Finish: zinc, black. 4 Finish: zinc, black, ... Products Name: Aluminum Blind Rivet Size: 3*8-5*30 Material: Mild steel , Stainless steel, Aluminum Finish: zinc, black, chrome, nickel ... than 1Metric Ton Delivery Time: The fastest 20-30days, According to the volume to determine the delivery time. stainless steel carbon steel Rivet