S-95505A626 1 1/8"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Grade 5 steel construction for reliable performance in demanding industrial applications
• Enhanced vibration resistance from fine UNF thread design that maintains secure connections under dynamic loads
• Precise thread engagement with Class 2B fit ensuring smooth installation and consistent clamping force
• Standardized compatibility through ASME B18.2.2 compliance for seamless integration with existing fastener systems
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing applications
• Optimized wrench access with standard external hex drive profile for efficient installation and removal
• Durable corrosion resistance from quality steel material providing long-term reliability in harsh environments

Professional Applications & Engineering Value

This Grade 5 steel hex nut delivers exceptional engineering value through its 1 1/8"-12 UNF fine thread configuration, specifically designed to address common industrial challenges. The fine thread spacing provides superior resistance to vibration loosening, making it ideal for machinery, automotive assemblies, and structural applications where dynamic loads are present. The Class 2B thread fit ensures precise mating with male threads, eliminating play and maintaining consistent clamping force. Manufactured from high-quality steel and compliant with ASME B18.2.2 standards, this external hex drive fastener offers reliable performance in heavy-duty applications requiring repeated disassembly and reassembly. The right-hand thread direction provides familiar installation while the standardized hex nut profile ensures compatibility with common wrenching tools.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit tolerance and complies with ASME B18.2.2 manufacturing specifications. The 1 1/8"-12 UNF fine thread maintains strict dimensional accuracy with standardized thread form. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring suitability for regulated industrial applications. Physical dimensions include 1 11/16" width and 31/32" height for consistent performance across applications requiring Grade 5 strength classification.