... Rivet Dome Head. DIA. 2.4 3.0 3.2 4.0 4.8 5.0 6.0 6.4 Material. body:aluminum mandrel:aluminum Aluminum ... ,Furniture,Electric equipment ,Building... Dia, Length3.2 6,8,10,12,14,164.0 6,8,10,12,14,16,18,20,224 ... .8 6,8,10,12,14,16,18,20 ... ,22,256.4 6,8,10,12,14,16,18,20,22,25,28, ...