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Round Head Q235 GB Spot Welding Screw Black Oxidized

    Buy cheap Round Head Q235 GB Spot Welding Screw Black Oxidized from wholesalers
     
    Buy cheap Round Head Q235 GB Spot Welding Screw Black Oxidized from wholesalers
    • Buy cheap Round Head Q235 GB Spot Welding Screw Black Oxidized from wholesalers
    • Buy cheap Round Head Q235 GB Spot Welding Screw Black Oxidized from wholesalers

    Round Head Q235 GB Spot Welding Screw Black Oxidized

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    Price : USD
    Payment Terms : T/T
    Supply Ability : 100,00pcs per month
    Delivery Time : 35days
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    Round Head Q235 GB Spot Welding Screw Black Oxidized

    Q235 Carbon Steel Black Oxidized Round head spot Welding Screw.


    Description


    Welding screw is also called energy storage screw, electric bolt welding stud, or planting welding nail, etc.

    Welding screw is used in a small range, which is only used in the sheet metal industry and the factory producing the case.

    Although the use of welding screw and riveting screw is the same, the use principle is quite different.

    Riveting screw is fixed by its own locking embossed teeth, while welding screw is a small spot on the head of the screw.


    Advantage:

    1. Corrosion resistance
    The anti-corrosion performance depends on the post-treatment after blackening. The black oxide film can provide corrosion resistance equivalent to 144 hours of salt spray exposure. It is usually to provide an extended shelf life for stored parts before use, or to prepare for further surface treatment (such as paint spraying).


    2. Stability
    The Fe3O4 film will not significantly change the size of the part, and the original size will not change (the same as when painting or electroplating), which provides corrosion protection for parts with limited dimensions.


    3. Lubricity
    After-treatment of the oil can not only prevent corrosion, but also the oil itself can make the operation and the matching parts smoother.


    Product nameQ235 Carbon Steel Black Oxidized Round head spot Welding Screw
    MaterialQ235 Carbon Steel
    Surface TreatmentBlack Oxidized
    Surface FinishNature
    FeatureSmooth surface;No burrs and sharp edges
    Head DiameterCustomized
    Product ClassA Grade
    CertificateSGS;ROHS
    ServiceCustomized OEM /ODM
    Standard ModeGB5782-86
    CertificationISO9001
    ProcessCold heading

    Factory Diaplay





    Inspection Equipments




    OEM/ODM
    1. Partners provide drawings with 2D/3D files.

    2. Partners provide samples, then our engineer will design the drawings.


    SAMPLES/MASS PRODUCTION
    1. Partners should pay sample fee for custom parts, aslo we return all sample fee when it reachesthe specified quantity.
    2. Normally we make samples first to partners to check its quality, when they pass test then wefollow samples to mass production.
    3. Usually there is 3-7days for samples production, and 15-25days for mass production.

    Quality Round Head Q235 GB Spot Welding Screw Black Oxidized for sale
    Company Info.
    Jiaxing Dexun Co.,Ltd.
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