S-93839A130 2"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and reliability with Grade 8 classification, ensuring superior performance in heavy-duty and high-stress applications
• Enhanced corrosion resistance through zinc yellow-chromate plating, providing durable protection in harsh industrial environments
• Precise thread engagement with 2"-12 UN extra fine thread spacing and Class 2B fit, delivering secure fastening and vibration resistance
• Space-saving thin profile design that allows installation in confined areas while maintaining full strength capabilities
• Standard-compliant manufacturing meeting ASME B18.2.2 specifications, ensuring consistent quality and interchangeability
• Easy installation and removal with external hex drive design, facilitating efficient maintenance and assembly operations
• Optimized for demanding applications with right-hand thread direction and UN thread type, compatible with standard industrial equipment

Professional Applications & Engineering Value

This Grade 8 heavy-duty hex nut with 2"-12 UN extra fine thread spacing addresses critical engineering challenges in industrial fastening systems. The zinc yellow-chromate-plated steel construction provides superior corrosion resistance, extending service life in demanding environments where moisture, chemicals, or temperature variations are concerns. The thin profile design combined with external hex drive offers significant advantages in space-constrained applications while maintaining the high strength requirements of Grade 8 classification. Engineered to ASME B18.2.2 standards, this hex nut delivers reliable performance in heavy machinery, structural assemblies, and precision equipment where vibration resistance and long-term durability are paramount. The extra fine thread spacing ensures superior clamping force distribution and enhanced resistance to loosening under dynamic loads.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit with 2"-12 UN extra fine thread specification and right-hand thread direction. Manufacturing complies with ASME B18.2.2 standards for dimensional accuracy and performance requirements. The fastener meets Grade 8 strength classification with dimensions of 3" width and 1 3/32" height. The zinc yellow-chromate plating provides corrosion protection while maintaining compliance with industry standards for heavy-duty industrial applications.