... , mold steel ,and so onSurface treatmenthardening, carburizing, high frequency, anodizing, clear anodizing,black anodizing ,chrome plating ... and so on.Part sizeDiameter from 0.5mm to 600mmTolerance +/-0.01mm craftcutting, CNC, Grinding.Parking details1 ... Die/pressure casting, CNC processsing, Punching, Riveting, Bending, Cutting, Welding, Threading, Grinding, Milling, Machining, Drilling, Assembly, ...