... 3,as custom inquriy 4,8-10 work days stamping parts SpecificationsType circular, Square Header , hexagonal , R-shaped…MaterialHSS M-2 ... )Machine TypeCold Forging Machine Please specify the details of stamping parts as follows when you inquiry1,The shape of punches you ... surface coating type ,for example:Tin,Ticn5,It is the best to provide your own drawings.6,We can design and ...