S-95462A558 1 1/8"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in demanding industrial environments
• High tensile strength from Grade 5 steel construction, ensuring reliable performance under heavy loads and vibration
• Precise thread engagement with Class 2B fit and UNF fine threads, providing excellent vibration resistance and reduced loosening
• Industry-standard compliance with ASME B18.2.2 specifications, guaranteeing interchangeability and consistent quality
• Easy installation and removal using standard wrenches thanks to the external hex drive and standard profile design
• Optimized for high-stress applications with fine thread spacing that distributes load more evenly across engaged threads
• Right-hand threading compatibility with standard industrial equipment, simplifying assembly processes

Professional Applications & Engineering Value

This 1 1/8"-12 UNF Grade 5 hex nut delivers exceptional engineering value for heavy machinery, structural assemblies, and industrial equipment where vibration resistance and load-bearing capacity are critical. The zinc plated steel construction provides essential corrosion protection in harsh environments, while the fine thread spacing and Class 2B thread fit ensure superior clamping force distribution and resistance to loosening under dynamic loads. Engineered to ASME B18.2.2 specifications, this external hex drive fastener offers reliable performance in automotive, construction, and manufacturing applications where consistent torque application and long-term reliability are paramount. The right-hand thread design integrates seamlessly with standard industrial components, streamlining maintenance and assembly operations.

Specification Summary & Compliance

This hex nut features Class 2B thread fit tolerance for precise engagement, UNF fine thread specification (1 1/8"-12), and complies with ASME B18.2.2 manufacturing standards. The fastener meets Grade 5 strength classification requirements and features dimensions of 1 11/16" width and 31/32" height. Manufactured from zinc plated steel with right-hand thread direction and external hex drive style, this component is designed for reliable performance in inch-system applications.