... SUJ2,Graphite,SKD11,SKH51 Hardness:60-62HRC Product:guide bushing post for dieMaterial:UJ2,Graphite,SKD11,SKH51Hardness:60 ... manufacture hardware mould componets(such as guide post,guide bushing,ball retainers ,punch etc.)according to MISUMI FUTABA,HASCO, ... DANLY AGATHON,FIBRO and PUNCH standard.Also, customers' ...