... years experience 4.MOQ:500 pcs Precision CNC machining stainless steel thread shaft Itemtopicdetails1materialstainless steel:303,304,316,420,630,3Cr13,4Cr13,420J2 ... ,6063,6061,7075.2manufacturing methodhigh precision CNC machining, stamping, forging, casting,3diameter0-120 mm,4length0-600 mm5tolerancecan arrive at 0.004 ...