S-90242A657 7/8"-9 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 316 Stainless Steel construction, ideal for harsh industrial environments
• Precise Class 2B thread fit ensures smooth assembly and reliable mating with male threads
• Heavy-duty coarse threading (7/8"-9 UNC) provides faster installation and better vibration resistance
• Standard external hex drive design allows for easy installation with common wrenches
• RoHS 3 and REACH compliance guarantees environmental and regulatory safety for global projects
• Durable black-oxide surface treatment enhances wear resistance and provides additional corrosion protection
• Right-hand threading compatibility ensures straightforward integration with standard industrial equipment

Professional Applications & Engineering Value

This 7/8"-9 UNC hex nut delivers exceptional performance in demanding applications where corrosion resistance and reliability are critical. The Black-Oxide 316 Stainless Steel construction provides superior protection against chemical exposure, saltwater environments, and extreme temperatures, making it ideal for marine, chemical processing, and offshore installations. The coarse thread design ensures quick assembly and maintains secure fastening under high-vibration conditions, while the Class 2B thread fit guarantees consistent engagement with mating components. Engineered for heavy-duty industrial applications, this nut solves common fastener failure points by combining material durability with precision manufacturing standards.

Specification Summary & Compliance

This hex nut features 7/8"-9 UNC coarse threading with Class 2B thread fit for precise dimensional accuracy. Manufactured to standard inch system specifications with 1 5/16" width and 3/4" height in a standard hex nut profile. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial fasteners.