Min. Order Reference FOB Price
50 Pieces US$4.50-10.00 / Piece
Product Description
Product Description Professional manufacture 42CrMo4 CK45 piston shaft Diameters 10-1200mm Length 1000mm-5000mm Steel grade CK45/JIS 45C Tolerance ISO f7 Chrome thickness 20μm(min) Hardness of the chrome layer 850HV(min) Roughness Ra 0.2μm(max) Straightness 0.2/1000mm ...