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China Small hexagon thin nuts Manufacturer, Supplier, Factory

When seeking reliable fastening solutions for space-constrained applications, hexagon thin nuts are a popular choice. Also known as jam nuts or slim nuts, these low-profile hexagon thin nuts provide a secure thread-locking mechanism where a standard nut's height is unsuitable. Engineered from various materials, these hexagon thin nuts are essential in assemblies requiring a secondary nut to prevent loosening under vibration or to adjust tension accurately, making them invaluable across numerous industries.


The Small hexagon thin nuts product line is defined by its precision engineering and adherence to international standards. Below are the detailed specifications that ensure consistency and performance.

  • Standards: DIN 439, ISO 4035, ASME B18.2.2
  • Materials: Carbon Steel, Stainless Steel (A2/A4), Brass, Aluminum
  • Finishes: Zinc Plated, Hot-Dip Galvanized, Plain, Black Oxide
  • Thread Types: Metric (Coarse & Fine), UNC, UNF
  • Temperature Range: -50°C to +300°C (varies by material)
Nominal Size (M) Width Across Flats (mm) Width Across Corners (mm) Thickness (mm) Thread Pitch (mm)
M3 5.5 6.35 1.6 0.5
M4 7.0 8.08 2.2 0.7
M5 8.0 9.24 2.7 0.8
M6 10.0 11.55 3.2 1.0
M8 13.0 15.01 4.0 1.25
M10 17.0 19.63 5.0 1.5

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