... SKD11,SKH51 Hardness:60-62HRC Product:guide bushing post for dieMaterial:UJ2,Graphite,SKD11,SKH51Hardness:60- ... as guide post,guide bushing,ball retainers ,punch etc.)according to MISUMI FUTABA,HASCO,DANLY AGATHON,FIBRO and PUNCH standard.Also, customers' drawing ... are always welcome.Welcome to your inquiry ,please do not hesitate to contact us!Our factory: misumi standard holder guide post ...