Precision CNC machining stainless steel shaft 1.Material : 304,316,3Cr13 2.passivation 3.10 years ... 4.MOQ:500 pcs Precision CNC machining stainless steel thread shaft Itemtopicdetails1materialstainless steel:303,304,316,420,630,3Cr13,4Cr13,420J2 ... add me on your skpye ! CNC Machining Parts stainless steel shaft for machinery industry