S-95479A122 1/2"-20 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from black oxide steel coating, extending service life in harsh industrial environments
• Exceptional load-bearing capacity with Grade 5 strength classification, ensuring reliable performance under high-stress conditions
• Precision fine thread engagement with 1/2"-20 UNF configuration and Class 2B fit, providing vibration-resistant secure fastening
• Industry-standard compatibility through ASME B18.2.2 compliance, guaranteeing interchangeability and proper mating with standard components
• Enhanced installation efficiency with standard 3/4" external hex drive profile, allowing for quick assembly using common tools
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, making them suitable for regulated industrial applications
• Optimized dimensional stability with precise 7/16" height and right-hand thread design, ensuring consistent performance in repetitive assembly operations

Professional Applications & Engineering Value

This high-strength Grade 5 hex nut delivers exceptional engineering value in demanding applications where vibration resistance and long-term reliability are critical. The black oxide steel construction provides superior corrosion protection, making it ideal for automotive assemblies, heavy machinery, and industrial equipment exposed to challenging environments. The 1/2"-20 UNF fine thread configuration with Class 2B thread fit ensures precise engagement with mating components, minimizing the risk of loosening under dynamic loads. Engineered to ASME B18.2.2 specifications, this external hex drive nut offers consistent performance in high-torque applications while maintaining dimensional accuracy across production runs. The combination of fine thread spacing and robust material properties addresses common industrial challenges of joint integrity and maintenance reduction.

Specification Summary & Compliance

This hex nut features precision Class 2B thread fit with 1/2"-20 UNF right-hand threads and fine thread spacing, manufactured to exacting ASME B18.2.2 standards. The component maintains dimensional accuracy with a 3/4" width and 7/16" height, ensuring proper engagement and torque transmission. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and chemical safety. The Grade 5 strength classification guarantees mechanical performance consistent with industrial fastener requirements for reliable operation in critical applications.