S-90242A670 1"-8 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 316 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications
• Excellent thread engagement with Class 2B fit ensuring reliable, vibration-resistant connections in heavy-duty assemblies
• Quick installation and removal with standard external hex drive design and 1-1/2" width for easy wrench access
• Optimized for high-load applications through 1"-8 UNC coarse threading that resists loosening under stress and vibration
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Dimensional consistency with precise manufacturing to UNC standards, ensuring interchangeability across equipment
• Enhanced durability combining 316 stainless steel's strength with black-oxide surface protection against wear and chemical exposure

Professional Applications & Engineering Value

This 1"-8 UNC coarse thread hex nut delivers critical performance in demanding applications where corrosion resistance and thread reliability are paramount. The Black-Oxide 316 Stainless Steel construction provides exceptional protection against chloride-induced stress corrosion cracking, making it ideal for marine, chemical processing, and offshore installations. The Class 2B thread fit ensures consistent engagement with mating components while accommodating minor misalignments in heavy machinery assemblies. With its coarse thread profile, this fastener maintains secure connections in high-vibration environments where fine threads might loosen, reducing maintenance frequency and downtime in industrial equipment, structural frameworks, and transportation systems requiring right-hand threaded fastening solutions.

Specification Summary & Compliance

Manufactured to UNC coarse thread standards with precise Class 2B thread fit tolerances for consistent performance. Dimensions include 1"-8 thread size with 1-1/2" width and 55/64" height. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance across industrial markets. The standard hex nut profile with external hex drive conforms to industry specifications for compatibility with common tools and installation equipment.