... ) material:brass, copper ,steel, aluminum 3) size: O.D 1.0mm- 20mm4) Technical Standard: DIN7340 Tubular rivet made from tube GB-975 Pipe ... to specialize Copper Capillary, Drawn Copper Tube,Copper Tubular Rivet, Brass Tubular Rivet, Brass Tube Products (tubular rivets,needle tube, pin connector) etc. The characteristics of ...