S-90371A073 1 1/2"-6 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from hot-dipped galvanized steel coating, ensuring long-term reliability in harsh environments.
• High-strength Grade 2 construction provides dependable load-bearing capacity for heavy-duty industrial applications.
• Coarse UNC threading enables faster assembly and reduced cross-threading risk compared to fine-thread alternatives.
• Precise Class 2B thread fit guarantees smooth engagement with mating components while maintaining secure fastening.
• Standard external hex drive design allows for easy installation using common wrench tools across various job sites.
• Full compliance with ASME B18.2.2 specifications ensures interchangeability and consistent performance in engineered systems.
• RoHS 3 environmental compliance meets strict regulatory standards for hazardous substance restrictions in industrial components.

Professional Applications & Engineering Value

This heavy-duty hex nut delivers critical performance advantages in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The hot-dipped galvanized steel construction forms a protective barrier against moisture, chemicals, and atmospheric exposure, significantly extending service life in outdoor infrastructure, marine equipment, and chemical processing installations. The 1 1/2"-6 UNC coarse thread configuration provides superior vibration resistance compared to fine-thread alternatives, making it ideal for structural connections, heavy machinery assembly, and transportation equipment where dynamic loads are present. Engineered to ASME B18.2.2 standards with Class 2B thread fit, this fastener ensures precise dimensional consistency and reliable engagement with corresponding threaded components, reducing installation time and preventing costly assembly errors in high-volume production environments.

Specification Summary & Compliance

This hex nut features 1 1/2"-6 UNC coarse threads with Class 2B thread fit tolerances per ASME standards, ensuring proper clearance with mating Class 2A external threads. Manufacturing complies with ASME B18.2.2 dimensional specifications, with physical dimensions of 2 1/4" width and 1 9/32" height. The product meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety and contains no restricted hazardous substances.