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    Application
    Tower & Pole

    Tower & Pole

    18th 9 月 2025

    The Invisible Hero of Skyline Construction: Why Bolts Matter More Than Beams

    Challenge: Slip-critical connection relaxation

    Solution:

    • RCSC Class A faying surfaces

    • Direct Tension Indicators with laser-calibrated gaps
      Proof: 100% inspection pass rate on Burj Khalifa Phase I

    Recommend products

    HV Bolts/En14399-4 Bolts/Din6914 Structural Bolts

    HV BOLTS/EN14399-4 BOLTS/DIN6914 STRUCTURAL BOLTS
    PRELOADED BOLTING EN 14399 HV
    • HV Bolts EN 14399
    • Size:M12 to M36
    • Color:HOT DIPPED GALVANIZED ,Black Oxide ,Dacromet ,Geomet ,Zinc Plate
    • Type:High tensile strength bolts, heavy hex bolts
    • Standards:EN 14399-4 ,EN14399-6
    • Grade:10.9                                                                  “

    Bolt‑Nut‑Washer Assembly / Fastener Assembly

    nut bolt and washer assembly, black or HDG bolt assembly

    • Standard: DIN931, DIN933, DIN, 934, ISO4014, ISO4017, ISO4032,AS1252,AS1111
    • Sizes: M10 – M64
    • Surface: Black, HDG, Zinc, Teflon, Dacromet etc
    • Grade: 4.8, 8.8, 10.9

    HS Bolt,High Strength Bolt Bolt Factory

    High-strength steel fastener factory

    • Metric Sizes: M12 to M64 Imperial size: 1/2″” to 1 1/2″
    • Surface: Hot dipped Galvanized , Electro-Galvanizing ,Dacromet Coating .Black Oxide ,Geomet ,Xylan
    • Grade : 8.8grade ,10.9grade,12.9grade
    • Material type: Medium carbon steel ,Alloy steel
    • Standards: A325,A490 ,EN14399 ,JIS B1186 ,DIN6914,BS4395

    TC BOLTS

    TC BOLTS,TENSION CONTROL BOLTS MANUFACTURER

    Gmetalparts is one of the leading hexagon head tc bolts manufacturers, especially heavy hex bolts A325, bolts A490 together with heavy hex nuts A563.

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

    Hex Nuts, Hot-dip Galvanized

    Contact Us

    Contact us or give us a call to discover how we can help.

      Schedule a Consultation

      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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