... M2, SKH9, ASP 3,as custom inquriy 4,8-10 work days specificationsMold punch pin Type circular, Square Header , hexagonal , R-shaped…Mold ... punch pin MaterialHSS M-2, SKH-9, SKD11,ASP23,ASP30 ... example:M2.0,D 14*25.4,The surface coating type ,for example:Tin,Ticn5,It is the best to provide ...