タイトルまたは説明

bushing is a basic and important part of mold . main material is SUJ2, the hardness is above *8HRC. is used to support the mold plate and help the plate return after it finish the stroke. A well -done guide bushing can extend the service life of the mould. Guide pin Materials:SUJ2, FC**0, POM Hardness:above *5 HRC grind after heat treatment, its roughness , finish and position pretty so has high work precision and grinding resistance.