... precision Bass end sleeves/brass tube fitting Features:1) name:rivets, tubular rivets, brass rivets, brass pins2) material:brass, copper ,steel, ... aluminum 3) size: O.D 1.0mm- 20mm4) Technical Standard: DIN7340 Tubular rivet made from tube GB-975 Pipe ... Capillary, Drawn Copper Tube,Copper Tubular Rivet, Brass Tubular Rivet, Brass Tube Products (tubular rivets,needle tube, pin ...