Copper Bushing Features: 1) Specification:O.D.1.0-30mm 2) Wall thickness:0.1-2mm 3) Standard:GB/T1527-199, ... :1) name:rivets, tubular rivets, brass rivets, brass pins,2) material:brass, copper ,steel, aluminum 3) size: O.D 1. ... international standard and are widely used in precise instrument, electronicequipment, pin connector, pen, mechanical device etc.Especially our Brass Tubular Rivets and ...