S-95479A117 5/16"-24 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from the black oxide steel finish, extending service life in demanding industrial environments
• Superior strength and reliability with Grade 5 classification, ensuring consistent performance under high-stress applications
• Precise thread engagement through Class 2B thread fit, minimizing the risk of cross-threading and assembly errors
• Optimal vibration resistance provided by the 5/16"-24 UNF fine thread spacing, maintaining joint integrity in dynamic loads
• Broad compatibility with standard 1/2" wrench sizes and external hex drive, facilitating quick installation and maintenance
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Interchangeable reliability through strict adherence to ASME B18.2.2 specifications, ensuring consistent fit across industrial assemblies

Professional Applications & Engineering Value

Engineered for precision and durability, this Grade 5 hex nut in black oxide steel addresses critical challenges in industrial fastening. The 5/16"-24 UNF fine thread configuration delivers enhanced clamping force and superior vibration resistance, making it ideal for machinery, automotive subsystems, and structural assemblies where dynamic loads are prevalent. Its Class 2B thread fit ensures smooth engagement with mating components, reducing installation time and preventing galling. The corrosion-resistant black oxide finish prolongs service life in humid or chemically aggressive environments, while compliance with ASME B18.2.2 guarantees dimensional consistency across high-volume production runs. This nut provides reliable performance in heavy-duty applications, from conveyor systems to equipment frames, where fastener failure is not an option.

Specification Summary & Compliance

This hex nut features a 5/16"-24 UNF fine thread with Class 2B thread fit for precise tolerance alignment. Manufactured to ASME B18.2.2 specifications, it ensures dimensional accuracy with a width of 1/2" and height of 17/64". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.