S-91845A215 1 1/8"-12 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction for extended service life in harsh environments
• Precise thread engagement with Class 2B fit ensuring reliable, vibration-resistant fastening in critical assemblies
• Enhanced load distribution through standard hex profile design for superior torque transmission and joint integrity
• Fine thread advantage providing better adjustment precision and increased tensile strength compared to coarse threads
• External hex drive compatibility with common industrial tools for efficient installation and maintenance operations
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Right-hand thread standardization for seamless integration with existing UNF threaded components and systems

Professional Applications & Engineering Value

This 1 1/8"-12 UNF fine thread hex nut delivers exceptional engineering value in demanding industrial applications where corrosion resistance and thread precision are critical. The 18-8 Stainless Steel composition provides inherent protection against rust and chemical degradation, making these external hex nuts ideal for marine equipment, food processing machinery, and chemical processing plants. The fine thread configuration offers superior resistance to vibrational loosening while maintaining higher clamping forces in high-stress assemblies. With Class 2B thread fit ensuring consistent engagement across mating components, these industrial hex nuts eliminate play and minimize the risk of thread stripping in precision equipment and heavy machinery applications.

Specification Summary & Compliance

Manufactured to UNF thread standards with precise Class 2B thread fit tolerance for optimal engagement. Dimensions include 1 11/16" width and 31/32" height with right-hand fine thread configuration (1 1/8"-12). Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications. Standard inch system measurement guarantees compatibility with existing imperial component inventories and tooling systems.