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 ... ,1020,1045;brass :H59,H62,H65,C3600,C3604;phosphor bronze;aluminum:2011,2024,6063,6061,7075.2manufacturing methodhigh precision CNC machining ...