S-90580A737 1/2"-13 ASTM A563 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 industrial environments
- Enhanced load distribution through extra wide hex profile design, reducing stress concentration and preventing joint failure
- Reliable coarse thread engagement with UNC 1/2"-13 specification for quick assembly and vibration resistance
- Consistent performance meeting ASTM A563 Grade C standards for dependable mechanical properties
- Precise Class 2B thread fit ensuring smooth installation and secure fastening with mating components
- Environmental compliance with RoHS 3 regulations for safe use across various industrial sectors
- Optimized torque transmission through external hex drive design for efficient installation with standard tools
Professional Applications & Engineering Value
This heavy-duty hex nut delivers exceptional engineering value through its hot-dipped galvanized steel construction and extra wide profile, specifically designed to address critical industrial fastening challenges. The robust ASTM Grade C material provides reliable strength for structural applications, while the zinc coating offers superior protection against corrosion in outdoor, marine, and chemical exposure environments. The 1/2"-13 UNC coarse thread configuration ensures rapid assembly and maintains integrity under vibration, making it ideal for construction equipment, machinery frames, and infrastructure projects where long-term reliability is paramount. The Class 2B thread fit guarantees compatibility with standard bolts while minimizing the risk of cross-threading during installation.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit per UNC standards with 1/2"-13 coarse thread spacing. Manufacturing complies with ASTM A563 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance requirements and carries ASTM Grade C certification for strength classification. Dimensions include 7/8" width across flats and 31/64" height, ensuring proper engagement and load-bearing capability in industrial fastening systems.
