S-91078A260 1 1/4"-12 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Superior thread engagement with Class 2B precision fit ensuring reliable, vibration-resistant connections
• Space-saving thin profile (23/32" height) ideal for applications with limited clearance while maintaining full strength
• Fine thread spacing (12 TPI) provides improved tension control and superior resistance to loosening under vibration
• Grade 2 strength rating delivers dependable performance for general industrial applications and medium-duty assemblies
• Easy installation and removal with standard 1 7/8" external hex drive compatible with common wrench tools
• Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial use and supply chain requirements

Professional Applications & Engineering Value

This 1 1/4"-12 UNF thin hex nut delivers exceptional engineering value through its optimized material and thread design. The zinc-plated steel construction provides critical corrosion protection in industrial environments where moisture and chemicals are present, significantly extending fastener life and reducing maintenance costs. The UNF fine thread configuration with Class 2B thread fit ensures precise engagement with mating components, creating vibration-resistant assemblies that maintain integrity in machinery, equipment frames, and structural applications. The thin hex nut profile solves space constraint challenges while the right-hand thread direction and external hex drive enable efficient installation with standard tools, reducing assembly time and labor costs in manufacturing and maintenance operations.

Specification Summary & Compliance

This hex nut features Class 2B thread fit per UNF standards with precise 1 1/4"-12 fine thread spacing. Manufactured to Grade 2 strength classification with dimensions of 1 7/8" width and 23/32" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial distribution and use worldwide.