copper bushing 1.high abrasive resistance 2.CNC,four-axis milling center 3.excellent dimension accurcy 4.high output 2011 popular copper bushingSupply different sizes of copper bush made of copper alloy with high quality and competetive price .1.With low and smoothly coefficient of friction and without stick-slip effects2.Suitable for dirty, impact and edge load.3.CNC machines for high quality ...
