S-93839A860 1 1/4"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress industrial environments
• Enhanced corrosion resistance through zinc yellow-chromate plating, extending service life in demanding conditions
• Space-saving thin profile design (23/32" height) for applications with limited clearance while maintaining full strength
• Precise fine thread engagement with UNF 1 1/4"-12 thread pattern and Class 2B fit for vibration resistance and secure fastening
• Superior torque transmission through external hex drive design with 1 7/8" width for easy installation with standard tools
• Industry-standard compliance with ASME B18.2.2 specifications, ensuring interchangeability and quality assurance
• Right-hand thread configuration for standard installation procedures and compatibility with existing fastener systems

Professional Applications & Engineering Value

This Grade 8 hex nut delivers exceptional engineering value through its zinc yellow-chromate-plated steel construction, specifically designed to address critical industrial challenges. The thin profile hex nut configuration solves space constraints in machinery assembly, structural frameworks, and heavy equipment where clearance is limited but maximum strength cannot be compromised. The UNF fine thread spacing provides superior resistance to vibration loosening, making it ideal for dynamic load applications in manufacturing, construction, and automotive industries. The combination of Class 2B thread fit and external hex drive ensures precise installation and reliable performance in high-torque applications, while the corrosion-resistant plating protects against environmental degradation in harsh operating conditions.

Specification Summary & Compliance

This heavy-duty fastener features precise Class 2B thread fit tolerance for optimal engagement with mating components. Manufactured in compliance with ASME B18.2.2 standards for dimensional accuracy and performance reliability. The 1 1/4"-12 UNF thread with fine spacing and right-hand direction ensures proper installation and compatibility with standard components. The product meets industry requirements for heavy-duty applications and is manufactured using materials compliant with RoHS and REACH environmental standards.