S-90371A050 5/8"-11 ASME B18.2.2 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from hot-dipped galvanized steel coating for extended service life in harsh environments
- Reliable load-bearing capacity with Grade 2 strength rating suitable for general industrial applications
- Easy installation and removal with standard external hex drive design and 15/16" width for common wrench compatibility
- Secure thread engagement through Class 2B thread fit ensuring consistent fastening performance
- Wide compatibility with 5/8"-11 UNC coarse threads matching common bolt specifications
- Regulatory compliance meeting ASME B18.2.2 standards and RoHS 3 environmental requirements
- Optimized height profile at 35/64" providing balanced strength without excessive material usage
Professional Applications & Engineering Value
This hot-dipped galvanized steel hex nut delivers exceptional value in industrial settings where corrosion resistance and mechanical reliability are paramount. The zinc coating provides sacrificial protection against rust and environmental degradation, making it ideal for outdoor structures, marine applications, and manufacturing equipment exposed to moisture. The 5/8"-11 UNC coarse thread configuration ensures rapid assembly and reduced cross-threading risks in high-volume production environments. With its Grade 2 strength classification and ASME B18.2.2 compliance, this fastener maintains structural integrity in mechanical assemblies, construction projects, and maintenance operations where vibration resistance and long-term performance are critical requirements.
Specification Summary & Compliance
This hex nut features Class 2B thread fit tolerance with 5/8"-11 UNC coarse threads and right-hand threading direction. Manufacturing complies with ASME B18.2.2 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance requirements and carries Grade 2 strength rating. Physical dimensions include 15/16" width across flats and 35/64" height, conforming to standard hex nut profiles for consistent performance across industrial applications.
