S-94804A169 1 3/8"-6 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for extended service life in harsh environments
• Reliable coarse thread engagement with UNC 1 3/8"-6 specification for faster assembly and reduced cross-threading risk
• Precision Class 2B thread fit ensures smooth installation and consistent clamping force in industrial applications
• Heavy-duty external hex design provides excellent torque transmission and wrench access for high-tension fastening
• Standard hex nut profile (2 1/16" width) offers compatibility with common tools and standardized installation procedures
• Environmental compliance assurance with RoHS 3 and REACH adherence for responsible manufacturing and supply chain safety
• Right-hand thread orientation delivers conventional installation familiar to maintenance teams across industries

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 1 3/8"-6 UNC hex nut solves critical fastening challenges where corrosion resistance and thread reliability are paramount. The 316 stainless steel composition provides exceptional protection against chemical exposure and atmospheric corrosion, making it ideal for marine, chemical processing, and offshore installations. The coarse thread spacing combined with Class 2B thread fit ensures rapid assembly without compromising joint integrity, reducing installation time in high-volume production environments. The external hex drive style and standard profile deliver maximum torque capability for heavy machinery, structural steel connections, and pipeline systems where vibration resistance and long-term performance are critical engineering requirements.

Specification Summary & Compliance

This heavy-duty hex nut features precise UNC 1 3/8"-6 coarse threads with Class 2B thread fit tolerance for consistent engagement. Manufacturing complies with standard inch measurement specifications, featuring a 2 1/16" width across flats and 1 11/64" height profile. The product fully conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, ensuring compliance with industrial safety and substance restriction requirements for global distribution and application.