... ,copper, bakelite, plexiglass etcGrade of MaterialS45C,A3,Cr12MoV,SKD11,LY12,SUS304,T10,SK4 ,POM,PESurface RoughnessRa0.6~3.2Dimension1mm~60mmWeight0.1 ... ,wire-cutting machine,grinding machine,sparkle forming machineInspection equipmentmicroscope, Rockwell hardness tester, projector, three-coordinates measuring machine, vernier caliper ,micrometer, thread ...