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Black Phosphating Hex Bolt

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Product Detail

    Black treatment, blackening is a chemical surface treatment of a common means, the principle is to produce a layer of metal surface oxide film to isolate the air, to achieve rust-proof purposes. Appearance requirements can be used black treatment, steel surface blackening treatment, also known as Blue. 

    The main purpose of phosphating treatment is: to provide protection to the matrix, to a certain extent, to prevent the metal corrosion, used for painting before the bottom, to improve the adhesion and corrosion resistance of the paint film layer, in the metal cold processing process to reduce friction lubrication effect.



    We Can Produce:
    Bolt Diameter: M5-M48
    Bolt Length: 10mm-500mm
    Material: Carbon Steel Grade 4.8 8.8 10.9 12.9
    Package: Bulk or Small box


    Price Terms: FOB, CIF, LC, etc...
    Delivery Time: Within 45 Days


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Dyshine Industry Co.,Ltd

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