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Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer

    Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers
     
    Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers
    • Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers
    • Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers
    • Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers
    • Buy cheap Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer from wholesalers

    Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer

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    Brand Name : YongBiao
    Model Number : ST6.3*125mm
    Certification : ISO9001,TUV
    Price : 1-10000pcs:0.47usd/pcs,100000-200000pcs:0.45usd/pcs
    Payment Terms : T/T
    Supply Ability : 5000000 Tons/Year
    Delivery Time : 7-25days
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    Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer

    Dacromet Hex Washer Head Self Drilling Screw With EPDM Washer


    1.Products Details:

    These Dacromet-coated self-drilling screws are high-performance fasteners engineered for exceptional corrosion resistance, validated by 1000-hour salt spray test compliance (per ASTM B117 standards).


    2.Key Features:

    • Dacromet Coating: A pollution-free, inorganic ceramic coating (composed of zinc/aluminum flakes in a chromium-based matrix) that forms a dense, self-repairing protective barrier. Unlike traditional plating, it avoids hydrogen embrittlement (critical for high-strength applications) and resists solvents, gasoline, and extreme temperatures (up to 300°C/572°F).

    • 1000-Hour Salt Spray Resistance: The coating delivers 7–10x better corrosion protection than standard zinc plating, enduring 1000+ hours of neutral salt spray exposure without red rust—ideal for marine, coastal, or outdoor environments.

    • Self-Drilling Design: Integrates a sharp, drill-point tip to eliminate pre-drilling, enabling fast installation in metal, wood, or composite materials (paired with a bonded washer for enhanced sealing in roofing/construction uses).


    3.Technical Parameters of Hex Self Drilling Screw

    StandardDIN,GB,ISO
    DiameterST4.2,ST4.8,ST5.5,ST6.3
    Length25mm,32mm,38mm,50mm,55mm,63mm,75mm,100mm
    Material304+435,316+435
    Packaging DetailsCarton box
    InspectionISO9001
    ServiceOEM ODM Customized





    4.Certificate Display

    5.Production Process

    6.Packaging and shipping Details



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