... SUJ2,Graphite,SKD11,SKH51 Hardness:60-62HRC Product:guide bushing post for dieMaterial:UJ2,Graphite,SKD11,SKH51Hardness: ... 62HRCAdvantages:Experienced technical staff;Product performance;Quality approvals;Competitive price;Punctual delivery ;Perfect after service.We are a ... are mainly manufacture hardware mould componets(such as guide post,guide bushing,ball retainers ,punch etc.)according to MISUMI ...