S-93839A805 1/4"-28 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate-plated steel construction, extending service life in harsh industrial environments
• Maximum load-bearing capacity with Grade 8 strength rating, ensuring reliable performance in heavy-duty applications
• Space-saving thin profile (5/32" height) for applications where clearance is limited without compromising strength
• Precise thread engagement with Class 2B fit and UNF fine threads (1/4"-28), providing vibration resistance and secure fastening
• Standard compliance assurance with ASME B18.2.2 specifications, guaranteeing interchangeability and quality consistency
• Easy installation and removal with external hex drive design and 7/16" width, compatible with standard tools
• Optimized for fine-thread applications with right-hand UNF threading, delivering superior clamping force in precision assemblies

Professional Applications & Engineering Value

These Grade 8 thin hex nuts deliver exceptional engineering value in demanding industrial applications where both high strength and corrosion resistance are critical. The zinc yellow-chromate-plated steel construction provides superior protection against rust and chemical exposure, making these UNF fine thread nuts ideal for automotive, machinery, and structural applications exposed to environmental stressors. The thin hex nut profile solves space-constrained assembly challenges while maintaining full Grade 8 strength, ensuring reliable performance in vibration-prone environments. With Class 2B thread fit precision, these fasteners prevent loosening under dynamic loads, reducing maintenance requirements and enhancing operational safety in heavy-duty industrial fastening systems.

Specification Summary & Compliance

This 1/4"-28 UNF hex nut features precise Class 2B thread fit tolerances with right-hand fine threading. Manufacturing complies with ASME B18.2.2 specifications for dimensional accuracy and performance standards. The fastener meets Grade 8 strength requirements with dimensions of 7/16" width and 5/32" height. The zinc yellow-chromate plating on steel substrate provides environmental protection while maintaining compliance with industry standards for industrial fastener applications.