Home > Products > Pipeline connection bolt

China Pipeline connection bolt Manufacturers, Suppliers, Factory

To be a result of ours specialty and repair consciousness, our corporation has won an excellent reputation amongst customers all around the entire world for Pipeline connection bolt,Hot dip galvanized hex bolt,Structural hexagon bolt,Galvanized construction bolt,Hex head fastening bolt, How about to start your great enterprise with our corporation? We've been prepared, qualified and fulfilled with pride. Let’s start our new business with new wave.
Pipeline connection bolt, In order to meet our market demands, we now have paied more attention to the quality of our products and solutions and services. Now we can meet customers' special requirements for special designs. We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.

Related Products

Hot Products

  • Anti-Corrosion Screw Piles Ground Screw for Foundations

    Anti-Corrosion Screw Piles Ground Screw for Foundations

    You can rest assured to buy Customized Anti-Corrosion Screw Piles Ground Screw for Foundations 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
    Standard: customized
  • Black Oxide High Strength Hexagon Structural Bolts

    Black Oxide High Strength Hexagon Structural Bolts

    Our Black Oxide High Strength Hexagon Structural Bolts work well for steel structure assembly with stable tensile strength. We provide custom sizes, large stock and fast delivery to global engineering buyers. Ningbo Gangtong Zheli Fastener Co., Ltd carries strict quality control for international building projects.
  • M18 stainless steel ss316 round head hexagon decorative cap nut

    M18 stainless steel ss316 round head hexagon decorative cap nut

    High quality M18 stainless steel ss316 round head hexagon decorative cap nut is offered by China manufacturer Gangtong Zheli. Welcome new and old customers to continue to cooperate with us to create a better future!
    Finish:Drawing Request
    Material:stainless steel
    MOQ:10000pcs
    Application:Building
    Size:M2-M64
  • DIN6923 Hexagon Flange Nuts

    DIN6923 Hexagon Flange Nuts

    DIN6923 Hexagon Flange Nuts is a high-performance fastener with integrated flange and anti-loosening serration. It provides larger contact area, better anti-vibration and anti-loosening effect, no need for additional washers. Made of carbon steel or 304/316 stainless steel, suitable for machinery, vehicles, engineering and outdoor equipment. Full specifications in stock, factory direct supply.
  • Carbon Steel Zinc Galvanized HDG Clevis Pin with Hole

    Carbon Steel Zinc Galvanized HDG Clevis Pin with Hole

    You can rest assured to buy Carbon Steel Zinc Galvanized HDG Clevis Pin with Hole from our factory.
    Material:carbon steel；stainless steel 304 316
    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;Polishing, Plain, Sand Blasting
    Application: Machinery, Chemical Industry, Environmental, Building, Furniture,
    Electronic, Automobile
    Certificate:ISO9001:2015
    Packing:Cartons+Pallets
    delivery time:7-30days
  • Stainless Steel 304 430 Sand Blasting Solar Roof Hook

    Stainless Steel 304 430 Sand Blasting Solar Roof Hook

    You can rest assured to buy Stainless Steel 304 430 Sand Blasting Solar Roof Hook from our factory.
    material:stainless steel
    Grade:SS304 SS430 SS316
    Min Order: 100PCS each size
    Sample: Free sample
    Package: Carton+Pallet
    Standard: DIN,ASTM/ASME,JIS,EN,ISO,AS,GB
    Delivery time:7-30days
  • Related Blog
  • Reviews

  • The Primary Applications of Flange Bolts in Industrial Settings

    Flange bolts are essential fasteners used in various industrial applications due to their unique design, which includes a built-in washer-like flange.

  • How to Choose Surface Finishes for DIN975 Threaded Rod? What Are the Differences Between HDG, SS304 and Blue White Zinc?

    DIN 975 Threaded Rod Grade 4.8 Zinc Plated Full Thread Stud is manufactured in accordance with DIN 975 standard, and can be supplied with multiple surface treatments including hot dipped galvanizing,

  • What is DIN 316?

    ​The German Institute for Standardization, or Deutsches Institut für Normung (DIN), publishes the DIN 316 standard. "Hexagon thin nuts with small width across flats - Product grade A" is the full title of the standard.

  • 2026 Global Fastener Industry: Digital Manufacturing & Smart Quality Control Lead the New Upgrade

    In 2026, digitalization, intelligence, and green development have become the three core driving forces of the global fastener industry. Intelligent manufacturing improves product consistency, quality stability, and production efficiency, providing safer and more reliable fastening solutions for engineering, construction, energy, and machinery worldwide. Ningbo Gangtong Zheli Fasteners will continue to promote intelligent upgrading, strengthen quality control, and provide global customers with high‑standard, high‑performance, and highly reliable fastener products. We believe that technological innovation will lead the industry to a more efficient, stable, and sustainable future.

  • 2026 Fastener Material Focus: Q235 Carbon Steel — The Cornerstone of Cost-Effective Fastening Solutions

    In the fastener industry, material selection directly determines product performance, service life and application scenarios. Among numerous metal materials, Q235 carbon steel (also known as A3 steel) has become the most widely used material in the field of ordinary fasteners due to its excellent comprehensive performance, stable quality and high cost-effectiveness. As a professional fastener manufacturer, Ningbo Gangtong Zheli Fasteners has in-depth research and strict quality control on Q235 material, providing customers with reliable standard fastener products.

  • What is the meaning of 8.8 grade in a bolt?

    The strength and toughness of a bolt are indicated by its 8.8 grade. The tensile strength of a bolt is shown using this metric measurement system. The nominal tensile strength of the bolt, expressed in units of 100 N/mm², is indicated by the number preceding the decimal point (8). Therefore, the nominal tensile strength of an 8.8 grade bolt is 800 N/mm². The ratio of the yield stress to the tensile strength is shown by the number (0.8) following the decimal point.

Send Inquiry

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept