... >high quality,muti-process shafts 4>Finish&Heat treatment shaft We have 20 years experience in machinery manufacturing.Professional ... like metallographic analysis. 4>After FQC,we pack goods carefully. Shaft DetailsMaterial:carbon steel,stainless steel,copper, beryllium copper, brass, ... Ra : 0.8mm I.D. 0.25mm Shaft---motor shaft,steel shaft,metal shaft Basic process:1.the shafts are made by customized ...