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    Application
    Heavy Equipment

    Heavy Equipment

    28th July 2025

    Mining Shovel Joints That Outlast The Machine

    Challenge: 20-ton impact loads shearing pivot bolts

    Solution:

    • 4340 Chromoly bolts with induction-hardened shanks (HRC 55)

    • NASA-developed JPL wedge-lock technology
      Proof: 11,000-hour MTBF vs industry 4,200-hour average

    Recommend products

    HR Bolt,Preloadbolts,Structural Bolts Bs EN14399

    High-Strength Structural Bolting Assembles For Preloading
    Bs En 14399-3, En 14399-4 Bolt

    • Sizes: M12 to M36 ;1/2″”to 1 1/2″”
    • Surface: Hot dipped Galvanized , Black Oxide ,Dacromet ,Geomet ,Zinc plate
    • Grade : 8.8 grade ,10.9grade
    • Material type:Medium carbon steel ,Alloy steel
    • Standards: EN14399

    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                                                                  “

    High-Strength Steel Fastener Assemblies For Structural Engineering – Bolts, Nuts And Washers 

    Steel Hex Bolts and Nuts as/Nzs Standards /
    High Strength Structural Bolts

    • Sizes: M12 to M36
    • Surface: Hot dipped Galvanized , Electro-Galvanizing ,Dacromet Coating .
    • Grade: 8.8grade ,10.9grade
    • Material type:Medium carbon steel ,Alloy steel
    • Standards: AS/NZS 1252 ,AS/NZS 1442

    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

    Custom Bolts | Special Bolts Manufacturer

    Custom Bolts | Special Bolts Manufacturer
    Custom bolts , Special bolts ,custom anchor bolt ,custom stainless steel ,custom fasteners

    • Sizes: M4 to M72
    • Surface: Hot dipped Galvanized , Zinc plated ,Dacromet ,Geomet
    • Type: Custom bolts ,cusom nuts ,custom anchor bolt ,custom screws ,custom studs

    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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