sales@gmetalparts.com
jenny@gmetalparts.com
057182550562
  • Home
  • About Us
    • Quality Control
    • Our Factory
  • Products
    • BOLTS
      • HEX HEAD BOLTS
      • HEX FLANGE BOLTS
      • CARRIAGE BOLTS
      • SOCKET HEAD CAP SCREW
      • COUNTERSUNK ALLEN HEX HEAD BOLTS DIMENSIONS
      • SQUARE HEAD BOLTS
      • UBOLT
      • CUSTOMIZED BOLTS
    • SCREWS
    • THREADED RODS
      • STUD BOLT
    • NUTS
      • LOCKING NUT
      • HEX NUT
      • HEX FLANGE NUT
  • Application
  • Blog
    • News
    • Exhibition
  • Support
    • Customer Service
    • Download
    • FAQ
  • Contact
Get Free Sample

    sales@gmetalparts.com

    Quick Help: Contact one of our experts and we'll get back to you in 24 hours!

    Home
    Application
    Structural Steel

    Structural Steel

    28th July 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

    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

    Jack Nuts, Jack Nuts Manufacturer

    Jack Nuts, Jack Nuts ManufacturerJack Nuts, Jack Nuts ManufacturerJack Nuts, Jack Nuts Manufacturer

    Jack Nuts, Jack Nuts Manufacturer

    • Standard: DIN7985, DIN965, ISO7045 (Screws work with jack nuts)
    • Sizes: M3, M4, M5, M6, M8
    • Surface: Blue zinc plated, galvanized, nickle plated
    • Head type: with pan head machine screws

    Threaded Steel Bars

    Threaded Steel Bars

    Threaded Steel Bars

    • Configuration: To be confirmed from the required drawing or specification.

    Self Tapping Wood Screws

    Self Tapping Wood Screws

    Self Tapping Wood Screws

    • Standard: DIN 571
    • Material: Steel C1008, C1012, C1022
    • Size: ST2.9-ST6.3
    • Finish: Plain, Zinc, Nickel.

    Heavy Hex Bolts/Structural Bolts A325/Structural Bolts Manufacturer

    HEAVY HEX BOLTS/STRUCTURAL BOLTS A325/STRUCTURAL BOLTS MANUFACTURER
    Heavy Hex Bolts, Hex Bolts a325, Structural Steel Bolts

    • Standard: ASTM A193, A325, A490, A307, ASTM A325M
    • Sizes: M12 to M36, 1/2” to 2 1/2”
    • Surface: Black Hex Bolts, Hot dipped Galvanized Hex Bolts, Plain
    • Grade: A193, A325, A490, A307

    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…

      More Info






        Company

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

        Our Contacts

        057182550562
        sales@gmetalparts.com
        jenny@gmetalparts.com

        Follow Us

        WhatsApp

        Main Products

        • BOLTS
        • THREADED RODS
        • SCREWS
        • NUTS

        Gulian Metal Parts © Copyright 2026. All Rights Reserved.

        Email
        WhatsApp
        This website uses cookies to improve your experience. If you continue to use this site, you agree with it.