... Graphite,SKD11,SKH51 Hardness:60-62HRC Product:guide bushing for dieMaterial:UJ2,Graphite,SKD11,SKH51Hardness:60- ... Tailand and Vietnam etc .We are mainly 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. ... factory: misumi standard guide pin and guide bushing