... -2mm 3) Standard:GB/T1527-199,DIN7340 Copper Bushing/sleeve/metal pin bushingFeatures:1) name:rivets, tubular rivets, brass rivets, ... pen, mechanical device etc.Especially our Brass Tubular Rivets and Brass Tubular for Pins are used in low voltageelectrical appliance products suitably ... , Electric Brush, Antenna, Electric Brush, etc. Copper Bushing/sleeve/metal pin bushing for precise instruments,etc