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Precision Fasteners for Global Industries

Handan Daoning Fasteners Manufacturing Co., Ltd. is a leading producer of high-strength industrial fasteners based in Handan, Hebei – China’s largest fastener manufacturing hub. We deliver ISO-compliant bolts, nuts, screws, studs, and custom fastening solutions for oil & gas, wind energy, construction, and heavy machinery.

About Daoning Fasteners

Handan Daoning Fasteners Manufacturing Co., Ltd. is headquartered in Yongnian District, Handan City, Hebei Province – the largest fastener production base in northern China. With years of expertise, we specialize in manufacturing high-precision fasteners that meet international standards including DIN, ISO, ANSI, and GB.

Our mission is to deliver reliable, durable, and corrosion-resistant fastening solutions for critical applications across energy, infrastructure, agriculture, and industrial machinery.

100+

Product Types

30+

Global Markets

Factory Interior
ISO

Our Products

We manufacture a comprehensive range of industrial fasteners designed for strength, durability, and precision. All products are produced under strict quality control and conform to international standards.

🔩

Hex Head Bolt

High-strength bolts with hexagonal heads, ideal for structural and mechanical applications.

  • Material: Carbon Steel, Stainless Steel
  • Standard: DIN933, ISO4017
  • Grade: 8.8, 10.9, A2-70
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Nylon Insert Lock Nut

Vibration-resistant nuts with nylon inserts to prevent loosening under dynamic loads.

  • Material: Steel with Nylon Insert
  • Standard: DIN985, ISO10511
  • Grade: 8, 10
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Hex Flange Nut

Integrated washer design distributes load and prevents damage to surfaces.

  • Material: Carbon Steel, Zinc Plated
  • Standard: DIN6923
  • Grade: 8, 10
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DIN976 Threaded Rod

Fully threaded rods in various diameters and lengths for anchoring and structural use.

  • Material: Stainless Steel 304/316
  • Standard: DIN976
  • Diameter: M6–M30
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Tapping Screws

Self-tapping screws for metal and plastic, with sharp threads for easy installation.

  • Head Type: Pan, Flat, Truss
  • Drive: Phillips, Slotted
  • Material: Carbon Steel, Zinc Coated
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Stainless Steel Threaded Rod

Corrosion-resistant rods ideal for marine, chemical, and outdoor environments.

  • Material: AISI 304, 316
  • Finish: Bright, Passivated
  • Length: Customizable
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Truss Head Drilling Screws

Self-drilling screws with low-profile truss heads for sheet metal applications.

  • Standard: DIN7504(K)
  • Point Type: Drill Bit Tip
  • Coating: Zinc, Dacromet

Anchors

Expansion and chemical anchors for concrete and masonry installations.

  • Type: Wedge, Sleeve, Drop-In
  • Material: Carbon Steel, Stainless
  • Diameter: M8–M20
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Washers

Flat, spring, and locking washers to distribute load and prevent loosening.

  • Standard: DIN125, DIN127
  • Material: Steel, Stainless
  • Finish: Galvanized, Plain
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Custom Fasteners

Tailored fastening solutions based on client drawings, samples, or specifications.

  • OEM/ODM Services
  • Prototyping Available
  • Materials: Custom Alloys
Quality Inspection

Quality Assurance

At Daoning Fasteners, quality is at the heart of everything we do. Our production process follows strict ISO standards with comprehensive testing at every stage – from raw material inspection to final packaging.

Material Testing

Spectrometric analysis and tensile strength verification.

Dimensional Accuracy

Precision gauging and thread inspection using calibrated tools.

Surface Finish & Coating

Salt spray testing for corrosion resistance (up to 500+ hours).

Final Inspection

100% batch sampling and certification for traceability.

Learn more about our quality standards →

Key Applications

Our fasteners are trusted in demanding environments across multiple industries, ensuring safety, reliability, and long-term performance.

Tower & Power

Transmission towers, substations, and electrical infrastructure.

🛢️

Oil & Gas

Pipelines, refineries, offshore platforms, and pressure vessels.

🏗️

Structural Steel

Buildings, bridges, and industrial frameworks.

🛣️

Highway Guardrail

Road safety systems and crash barriers.

🚜

Tractor & Farm

Agricultural machinery and equipment.

🌬️

Wind Energy

Turbine towers, nacelles, and foundation anchors.

⚙️

Mechanical Machines

Industrial automation, conveyors, and assembly lines.

🏠

Home Decoration

Furniture, fixtures, and architectural fittings.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact the Daoning Fasteners team directly.

Phone

+86-187 31035721

Email

info@dao-ning.com

Address

Mingyang Industrial, Yongnian District, Handan, Hebei, China

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