China Four-jaw nut Manufacturer, Supplier, Factory

Understanding Four-Jaw Nuts

When it comes to reliable and secure fastening solutions in demanding applications, Four claw nuts stand out for their exceptional grip and stability. These specialized components are designed to prevent rotation and loosening under high vibration and dynamic loads, making them a critical choice for industries ranging from automotive and aerospace to heavy machinery and construction. The unique four-claw design bites into the mounting surface, creating a powerful anti-rotational lock that standard nuts simply cannot provide. This makes Four claw nuts indispensable for assemblies where safety and long-term integrity are non-negotiable, ensuring your structures and machinery remain firmly connected and operational. For engineers and procurement specialists seeking unparalleled performance, our high-quality Four claw nuts deliver the exact combination of strength, durability, and reliability required.


Detailed Specifications of the Four-jaw nut

To ensure you select the perfect component for your project, here are the detailed technical specifications for our premium-grade Four-jaw nut product line. These parameters are the result of extensive engineering and rigorous testing.

Key Features:

  • Anti-Rotation Design: Four strategically placed claws provide superior resistance to loosening.
  • High-Strength Material: Manufactured from Grade 8 steel or 316 stainless steel for maximum durability and corrosion resistance.
  • Surface Treatments: Available with zinc plating, hot-dip galvanizing, or geomet coatings for enhanced environmental protection.
  • Reusability: Engineered to maintain locking performance through multiple installation and removal cycles.

Technical Parameter Table:

Size (Inch) Thread Pitch (UNC/UNF) Wrench Size (mm) Claw Height (mm) Proof Load (kN) Material Grade
1/4" - 20 UNC 11 1.2 18.5 Grade 5 / A2-70
5/16" - 18 UNC 14 1.5 29.0 Grade 5 / A2-70
3/8" - 16 UNC 17 1.8 42.5 Grade 8 / A4-80
1/2" - 13 UNC 22 2.2 75.0 Grade 8 / A4-80
5/8" - 11 UNC 27 2.5 120.0 Grade 8 / A4-80

Available Materials & Finishes:

  • Carbon Steel: Grades 5 and 8.
  • Stainless Steel: A2 (304) and A4 (316).
  • Finishes: Plain, Zinc Plated, Hot-Dip Galvanized, Geomet®.

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