Tolerance:0.01mm 15 years experience Many designs 1.Size: according to the drawing.2.Material: carbon steel, alloy steel, stainless steel, cast iron, brass, aluminum and etc3.All we can make.4.Packaging: 1pcs/box,15kg/carton5.Treatment: surface quenching by high frequency induction or nitrogen treatment, carburizing hardened.6.Process: stamping, deep drawing, welding, sheet metal fabrication, and ...