... information, may be some help to what you like. Quality control 1.We have self-governed inspection Dept. 2.All our ... 6.Angle clearance:R0.03mm Item Customized blade for kinds of machines Material Steel ,Stainless steel, Iron ,Aluminum, Brass and etcMaterial ... , Thread rolling machine , Drilling machine, Stamping machine and etc.Quantity control We have a stringent quality check at every level i ...