ANSI/ASME B18.16.4 Hexagon Flange Nut

The ANSI/ASME B18.16.4 Automotive Hexagon Flange Nut is a robust fastening solution engineered to meet the rigorous demands of automotive applications. Designed with a wide flange base, it distributes clamping force evenly across mating surfaces, minimizing the risk of loosening under vibration—a critical feature in dynamic automotive environments. Its hexagonal shape ensures compatibility with standard tools, streamlining assembly and maintenance processes, while the precision-machined threads guarantee secure, backlash-free engagement with bolts. Ideal for high-stress components like chassis systems, suspension assemblies, and brake calipers, this nut combines high tensile strength with corrosion-resistant finishes (such as zinc plating or Dacromet coating) to withstand harsh road conditions and temperature fluctuations. Automotive engineers rely on its reliability for critical connections in transmissions, exhaust systems, and wheel hubs, where consistent performance directly impacts safety and durability. By adhering to strict ANSI/ASME dimensional and material standards, the B18.16.4 ensures seamless integration with existing designs, reducing downtime and enhancing operational efficiency. For manufacturers seeking a trusted, cost-effective fastener that balances strength, precision, and longevity, this hex flange nut stands as a cornerstone of automotive assembly excellence.

Designed for Ease of Use:

We recognize that efficiency on the assembly line and during maintenance is paramount. The standard hexagonal shape of this nut ensures seamless compatibility with a wide range of commonly used tools, simplifying and accelerating both assembly and subsequent maintenance procedures. Furthermore, the precision-machined threads guarantee a secure and backlash-free engagement with corresponding bolts, contributing to the overall stability and integrity of the fastened joint. This precise threading eliminates play and ensures consistent torque application, vital for the longevity of critical connections.

Key Advantages for Your Applications:

• Enhanced Resistance to Loosening: The wide flange base evenly distributes clamping force, significantly reducing the risk of vibration-induced loosening – a critical safety feature in automotive environments.
• Simplified Assembly & Maintenance: The standard hexagonal head ensures compatibility with common tools, streamlining both initial assembly and future maintenance tasks, saving time and resources.
• Secure & Backlash-Free Engagement: Precision-machined threads guarantee a tight and stable connection with bolts, eliminating unwanted movement and ensuring long-term reliability.
• Optimal Clamping Force Distribution: The integrated flange provides a larger bearing surface, preventing damage to softer materials and ensuring consistent preload across the joint.
• High Tensile Strength: Manufactured from robust materials to withstand significant mechanical loads, ensuring the integrity of critical automotive connections.
• Superior Corrosion Resistance: Available with various protective finishes, including zinc plating and Dacromet coating, to effectively combat harsh road conditions, moisture, chemicals, and extreme temperature fluctuations, extending the lifespan of the fastener and the assembly.
• Adherence to Strict Standards: Manufactured in compliance with ANSI/ASME B18.16.4 dimensional and material specifications, guaranteeing seamless integration with existing automotive designs and ensuring consistent performance across applications.
• Cost-Effective Reliability: Offers a dependable and long-lasting fastening solution, minimizing the need for replacements and reducing overall lifecycle costs.
• Ensures Seamless Integration: Adherence to industry-standard dimensions allows for easy interchangeability and integration into existing automotive designs, minimizing downtime during assembly or repair.
• Contributes to Operational Efficiency: Reliable and secure fastening reduces the likelihood of failures and the associated downtime, enhancing overall operational efficiency in automotive manufacturing and maintenance.

Ideal for:

• High-Stress Automotive Components: Specifically engineered for critical connections demanding exceptional strength and resistance to loosening.
• Chassis Systems: Ensures the structural integrity and stability of the vehicle's frame under various driving conditions.
• Suspension Assemblies: Provides secure and reliable connections for components crucial to vehicle handling and ride comfort.
• Brake Calipers: Guarantees the secure mounting of vital braking components, directly impacting vehicle safety.
• Transmissions: Facilitates the robust assembly of internal components, ensuring smooth and reliable power transfer.
• Exhaust Systems: Withstands high temperatures and corrosive environments, ensuring a secure and leak-free connection.
• Wheel Hubs: Provides a reliable and durable fastening solution for securing wheels, a critical safety component.
• Engine Components: Suitable for various engine assembly applications requiring strong and vibration-resistant fasteners.
• Steering Systems: Ensures the secure connection of components vital for vehicle control and driver safety.
• Body Structures: Contributes to the overall rigidity and safety of the vehicle's body.