shaft: 1.OEM services 2.15 year experiences of machining for shaft 3.Prompt delivery 4.Qualified machining & finishing Description:1.Name: 40Cr alloy steel machining shaft2.Material : 40Cr3.Process: forging, cnc machining, machining center, broaching4.Tolerance:+/-0.01mm5.Finish: Ra0.26.Application: Auto part, machinery part, locomotive part, marine part, truck part,Boat part ...