... 10 years experience 4.MOQ:500 pcs Precision CNC machining stainless steel thread shaft Itemtopicdetails1materialstainless steel:303,304 ... aluminum:2011,2024,6063,6061,7075.2manufacturing methodhigh precision CNC machining, stamping, forging, casting,3diameter0-120 mm,4length0- ... requirement9salt spray test12-500 hours 5% salt spray test , no red rust10instrumentHexagon CMM , 2.5D Imaging Device , Height ...