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kinds of stamping precision parts could be provided:
1,material-SKH51, hardness-59-61HRC, with hard chromium on the surface.2,material-SUS440C, hardness-56-58HRC.
Precision is up to 0.003mm, chrome layer up to 0.003mm.
tip mirror finish.
the surface roughness up to 0.1s below.
the text can be processed on the surface.
widely used in semiconductor packaging mold.