S-90565A325 7/16"-20 SAE J995 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity: Grade 8 strength classification ensures superior performance in high-stress applications, reducing the risk of fastener failure.
• Secure and Reliable Fastening: 7/16"-20 UNF fine threading with a Class 2B thread fit provides excellent vibration resistance and prevents loosening in dynamic environments.
• Guaranteed Quality and Interchangeability: Compliance with the SAE J995 standard ensures consistent dimensions, mechanical properties, and reliable performance.
• Superior Durability and Corrosion Resistance: Made from high-quality steel, this nut offers long-term reliability and withstands harsh industrial conditions.
• Easy Installation and Maintenance: The standard external hex drive and 5/8" width allow for straightforward installation and removal with common tools.
• Environmental and Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring the product is free from hazardous substances for safe use in regulated industries.
• Optimized for Precision Assemblies: The fine thread design and precise manufacturing ensure a tight, secure fit for critical, high-tolerance applications.

Professional Applications & Engineering Value

This Grade 8 steel hex nut is engineered to address the core challenges of heavy-duty and high-vibration environments. Its 7/16"-20 UNF fine thread and Class 2B fit provide superior clamp load retention, effectively resisting loosening under dynamic loads—a common failure point in machinery, automotive, and construction equipment. The high hex profile and external hex drive facilitate easy torque application, reducing installation time and tool wear. Manufactured from robust steel and compliant with SAE J995, this nut delivers consistent performance in demanding applications such as engine assemblies, structural frameworks, and industrial machinery, where reliability and high strength are non-negotiable. Its compliance with RoHS 3 and REACH further ensures it meets stringent environmental and safety standards, making it a responsible choice for global supply chains.

Specification Summary & Compliance

This heavy-duty hex nut features a 7/16"-20 UNF thread with a fine thread spacing and Class 2B thread fit, ensuring precise engagement and reliable performance. It conforms to the SAE J995 standard for dimensional and mechanical requirements. The nut is manufactured from Grade 8 steel, providing high tensile strength for critical applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety protocols for hazardous substance restrictions.