China fine pitch hexagon flange nuts Manufacturer, Supplier, Factory

Fine pitch hexagon flange nuts are engineered to provide superior performance in applications requiring precise clamping force and vibration resistance. These specialized components combine the benefits of a standard hex nut with an integral flange, eliminating the need for a separate washer and distributing the load over a wider surface area. The fine pitch thread allows for finer adjustments and enhanced tension control, making them ideal for critical assemblies in industries such as automotive, aerospace, and heavy machinery. For a comprehensive selection, explore our range of Hexagon flange nuts, including the specifically designed Hexagon flange nut with fine pitch thread. Whether you need a standard Hexagon flange nut or advanced Fine Thread Hexagon Flange Nuts, our products ensure reliable fastening solutions for demanding environments.


The fine pitch hexagon flange nuts are manufactured to exacting standards, focusing on durability and compatibility with high-strength bolts. The integrated flange acts as a built-in washer, providing a larger bearing surface that helps prevent loosening under dynamic loads and reduces surface damage to the connected materials. Constructed from high-grade materials like carbon steel, stainless steel, or alloy steel, these fine pitch hexagon flange nuts undergo rigorous quality checks to meet international specifications such as ISO, DIN, and ANSI. With options for various coatings like zinc plating or hot-dip galvanizing, they offer excellent corrosion resistance, ensuring longevity in harsh operating conditions. This attention to detail makes fine pitch hexagon flange nuts a trusted choice for engineers and maintenance professionals seeking efficient and secure fastening.

Key Specifications of Fine Pitch Hexagon Flange Nuts

  • Thread Type: Fine pitch metric threads (e.g., M8x1, M10x1.25)
  • Standards: Compliant with DIN 6923, ISO 4161, and other international norms
  • Materials: Carbon steel, stainless steel (A2/A4), and alloy steel
  • Surface Treatments: Zinc plating, galvanization, and other anti-corrosion coatings
  • Flange Design: Integrated serrated or plain flange for improved grip and load distribution
  • Temperature Range: Suitable for operations from -50°C to +300°C, depending on material

Detailed Parameter Table

Size (Metric) Thread Pitch (mm) Across Flats (mm) Flange Diameter (mm) Height (mm) Proof Load (MPa)
M8 1.0 13 18 8 830
M10 1.25 16 22 10 830
M12 1.5 18 26 12 830
M16 1.5 24 32 16 830
M20 1.5 30 38 20 830

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