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China steel structure bolt Manufacturers, Suppliers, Factory

We follow our enterprise spirit of "Quality, Efficiency, Innovation and Integrity". We aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers for steel structure bolt,DIN 6914 bolt,large hex head structural bolt,EN 14399 bolt,DIN 6914 high strength bolt, Our enterprise warmly welcome close friends from everywhere in the environment to go to, examine and negotiate organization.
steel structure bolt, We look forward to hearing from you, whether you are a returning customer or a new one. We hope you will find what you are looking for here, if not, please contact us immediately. We pride ourselves on top notch customer service and response. Thank you for your business and support!

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    Metric Hex Head Bolts

    As a professional metric hex head bolts manufacturer and supplier in China, our factory has the latest technology and production equipment, which can provide customers all over the world very good service. Equipped with a standard hexagonal head, it allows for efficient installation and removal using wrenches, sockets, or power tools.
  • 304+410 Mechanical Zinc Plating Solar System Composite Hexagon Flange Head Bi-Metal Screws for Solar

    304+410 Mechanical Zinc Plating Solar System Composite Hexagon Flange Head Bi-Metal Screws for Solar

    The following is the introduction of high quality 304+410 Mechanical Zinc Plating Solar System Composite Hexagon Flange Head Bi-Metal Screws for Solar, hoping to help you better understand 304+410 Mechanical Zinc Plating Solar System Composite Hexagon Flange Head Bi-Metal Screws for Solar.
    Product name:304+410 Mechanical Zinc Plating Solar System Composite Hexagon Flange Head Bi-Metal Screws for Solar
    Material:stainless steel;Hot rust treasure;mechanical zinc plating
    Grade：304+410 ; 1022A+SCM435
    Min Order: 100PCS each size
    Sample: Free sample
    Package: Carton+Pallet
    Standard: DIN,ASTM/ASME,JIS,EN,ISO,AS,GB
    Delivery time:7-30days
  • Square Head Flange Bolts

    Square Head Flange Bolts

    Gangtong Zheli professionally produces high-quality Square Head Flange Bolts. Our factory also provides customized services and free samples for you. We are a source factory with over 15 years of experience in fastener manufacturing. For many years, we have been deeply involved in the industry, serving global construction contractors, wood processing plants, and heavy equipment manufacturers. Based on our deep understanding of various real-world working conditions, we know that the gripping force of the square head and the anti-loosening performance of the flange are crucial for ensuring project safety.
  • Iron Grade 4.8 Plain M5 M6 Auto Spare Parts Rectangle Square Nut

    Iron Grade 4.8 Plain M5 M6 Auto Spare Parts Rectangle Square Nut

    Gangtong Zheli is a professional leader China Iron Grade 4.8 Plain M5 M6 Auto Spare Parts Rectangle Square Nut manufacturer with high quality and reasonable price. Welcome to contact us.
    Application: auto spare parts
    thickness:4-5mm
    Package: Carton+Pallet
    Surface finishing :plian, zinc,HDG,phosphorization,Black,Geomet,Dacroment,Nickel plated
    Standard: DIN,ASTM/ASME,JIS,EN,ISO,AS,GB
    Min Order: 1000PCS
    Certificate: ISO9001:2015
  • Hot DIP Galvanized Solar Fittings Floor Mounting Ground Screw for Bracket

    Hot DIP Galvanized Solar Fittings Floor Mounting Ground Screw for Bracket

    You can rest assured to buy High Quality Hot DIP Galvanized Solar Fittings Floor Mounting Ground Screw for Bracket from our factory.
    Specification:carbon steel
    Application:Solar panel mounting
    Certificate:ISO9001:2015
    Packing:Cartons+Pallets
    delivery time:Busy season:15-30days,Slack season:10-15days
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  • Yellow Zinc Plated Galvanised Carbon Steel 4.8 5.8 Hex Flange Head Concrete Screw Bolt

    Yellow Zinc Plated Galvanised Carbon Steel 4.8 5.8 Hex Flange Head Concrete Screw Bolt

    The following is the introduction of high quality Yellow Zinc Plated Galvanised Carbon Steel 4.8 5.8 Hex Flange Head Concrete Screw Bolt, hoping to help you better understand Yellow Zinc Plated Galvanised Carbon Steel 4.8 5.8 Hex Flange Head Concrete Screw Bolt.
    Name:Yellow Zinc Plated Galvanised Carbon Steel 4.8 5.8 Hex Flange Head Concrete Screw Bolt
    Material:carbon steel
    Grade:12.9 10.9 9.8 8.8 6.8 5.6 4.8 4.6 3.6
    Finishing:Zinc,HDG,Black,Geomet,Dacroment,Anodized
    Application:solar panel system
    Certificate:ISO9001:2015
    Packing:Cartons+Pallets
    delivery time:7-30days
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  • DIN 933 Full-Thread Hex Bolts: Global Standard for Reliable Assembly in 2026

    In 2026, DIN 933 full-thread hex bolts remain one of the most widely used metric fasteners across machinery, construction, automotive, steel structures and equipment assembly. As a globally recognized standard aligned with ISO 4017 and ISO 898-1, DIN 933 ensures consistent dimensions, thread quality and mechanical performance for international projects. This article highlights key features, grades, applications and supply advantages of DIN 933 bolts for global buyers and engineers. Industry data shows the global standard hex bolt market is projected to reach USD 8.9 billion by 2026, with DIN 933 accounting for a major share due to its full‑thread design, interchangeability and broad compatibility. Steady demand from Europe, Asia‑Pacific, Australia and the Middle East reinforces its position as a universal fastener for both OEM production and MRO use.

  • What are the Characteristics of All Thread Stainless Steel Threaded Rod?

    All Thread Stainless Steel Threaded Rod is widely used in many fields due to their flexibility and high strength. In mechanical manufacturing, they are often used to connect heavy equipment and structural parts; in the construction field, they are used to connect steel structures, bridges and high-rise buildings; in the chemical and petroleum industries, they are used to fix pipelines, valves and containers. The diverse applications of All Thread Stainless Steel Threaded Rod make them an indispensable fastener.

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  • What is a bi-metal screw?

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