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    Application
    Solar Energy

    Solar Energy

    28th July 2025

    PV Mounting Bolts That Outlive The Panels

    Challenge: Galvanic corrosion in aluminum-steel interfaces

    Solution:

    • Electrophoretic-coated A4 SS hanger bolts

    • Fiberglass-reinforced nylon isolators
      Proof: 0.001% failure rate across 8.4GW installations

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    • size:1/2 to 1 1/2
    • color:Black, Zinc, Hot Dip Galvanized TC Bolts
    • type:Heavy Hex Structural Bolts

    Hex Bolt Black

    Hex Bolt BlackHex Bolt Black

    Hex Bolt Black

    • Standard: DIN931, DIN933, ISO4014, ISO4017
    • Sizes: M6 – M64
    • Surface: Black
    • Grade: 8.8, 10.9, 12.9

    DIN934 Metric Hexagon Head Hex Nuts

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    DIN934 Metric Hexagon Head Hex Nuts

    • Standard: DIN934, DIN985, DIN6923, DIN980 V
    • Sizes: M3, M4, M5, M6, M8, M12… TO M64
    • Surface: Plain Nuts, Zinc Plated Nuts, Black Hex Nuts, HDG Nuts
    • Grade: 2, 5, 6, 8, A194 2H

    Bulk Metric Bolts | Metric Bolts and Nuts Manufacturer

    Bulk Metric Bolts | Metric Bolts and Nuts ManufacturerBulk Metric Bolts | Metric Bolts and Nuts Manufacturer

    Bulk Metric Bolts | Metric Bolts and Nuts Manufacturer

    • Size: M6-M72
    • Color: HDG, Black, Zinc
    • Type: Construction fastener and bolt

    HS Bolt, High Strength Bolt

    HS Bolt, High Strength BoltHS Bolt, High Strength BoltHS Bolt, High Strength Bolt

    HS Bolt, High Strength Bolt

    • Standard: DIN931, DIN933, ISO4014, ISO4017, EN 15048, EN 14399
    • Sizes: M12 to M72
    • Surface: HDG, Black, PTFE/Teflon/Xylan
    • Grade: 8.8, 10.9, A325, A490, SAE grade 5, 8

    Contact Us

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      Gmetalparts is a premier Chinese manufacturer and supplier specializing in high-strength bolting solutions, including structural bolts…

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        Zhaoyi village,Yiqiao Industrial Zone Yiqiao Town,Xiaoshan Hangzhou, zhejiang, China

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        sales@gmetalparts.com
        jenny@gmetalparts.com

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