... Hollow rivets,Steps rivets steel step rivet Our main products ... electronic industrial. The material includes: Aluminum, Steel, Stainless Steel, Copper, Brass, Monel; The product diameter ... includes: 2.4mm ,3.0mm , 3.2 mm , 4.0 mm , 4.8 mm , 5 ... .0 mm , 6.0 mm and 6.4 mm ; The head style includes: dome, flat, countersunk and large flange. steel step ...