S-90371A029 1/4"-20 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 with hot-dipped galvanized steel coating for extended service life in harsh environments
- Reliable coarse threading with UNC 1/4"-20 configuration for faster assembly and reduced cross-threading risks
- Consistent performance through Class 2B thread fit ensuring proper engagement with mating components
- Standard external hex drive design for easy installation using common wrench tools
- Industry compliance with ASME B18.2.2 specifications for guaranteed dimensional accuracy
- Environmental responsibility with RoHS 3 compliance meeting strict regulatory standards
- Cost-effective strength from Grade 2 classification suitable for general industrial applications
Professional Applications & Engineering Value
This hot-dipped galvanized steel hex nut delivers exceptional value in industrial settings where corrosion resistance and reliability are paramount. The zinc coating provides sacrificial protection against rust and environmental degradation, making it ideal for outdoor equipment, structural assemblies, and marine applications. The 1/4"-20 UNC coarse thread design ensures quick installation and superior vibration resistance compared to fine-thread alternatives. Engineered with Class 2B thread fit, these hex nuts maintain consistent clamping force while accommodating minor variations in mating components. The standard hex profile and external drive style enable efficient installation in confined spaces using common tools, reducing assembly time and labor costs across manufacturing, construction, and maintenance operations.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit per UNC standards with dimensions of 7/16" width and 7/32" height. Manufactured in compliance 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 classification for reliable performance in general industrial applications.
