... mold components 1,consistent quality control 2,made-to-order service available 3,Material:HSS M-2,SKH- ... 62 Rockwell C. Custom sizes can be made to order up to 1" diameter. Custom hardness RC 64-65 and ... material you want to use or the material of products you produced3,The products size ,for example:M2 ... .0,D 14*25.4,The surface coating type ,for example:Tin,Ticn5,It is the best to ...