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