... -2mm 3) Standard:GB/T1527-199,DIN7340 Copper Bushing/sleeve/metal pin bushingFeatures:1) name:rivets, tubular rivets, brass rivets, brass ... .D 1.0mm- 20mm4) Technical Standard: DIN7340 Tubular rivet made from tube GB-975 Pipe type rivets5) Management Certification:ISO9001:20006 ... , Antenna, Electric Brush, Antenna, Electric Brush, etc. Copper Bushing/sleeve/metal pin bushing for precise instruments,etc