S-90498A355 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
- Enhanced torque transmission with extra wide profile for superior grip and reduced tool slippage during installation
- Exceptional durability provided by high-quality steel construction, ensuring long service life in demanding environments
- Reliable coarse threading (5/8"-11 UNC) enables faster assembly and reduced cross-threading risks in industrial applications
- Precision Class 2B thread fit guarantees consistent engagement and vibration resistance for secure fastening
- Full regulatory compliance with RoHS 3 and REACH standards, making it suitable for global supply chains
- Optimized external hex drive design allows for standard tool compatibility and straightforward installation
- ASME B18.2.2 certification ensures dimensional accuracy and interchangeability with other compliant components
Professional Applications & Engineering Value
This heavy-duty hex nut delivers critical engineering advantages through its robust steel construction and extra wide profile. The combination of 5/8"-11 UNC coarse threading and Class 2B thread fit addresses common assembly challenges by providing faster installation while maintaining vibration resistance in high-stress environments. The external hex drive design ensures compatibility with standard industrial tools, reducing installation time and minimizing the risk of stripped fasteners. Particularly valuable in construction, heavy machinery, and industrial equipment applications, this nut's ASME B18.2.2 compliance guarantees precise dimensional consistency across production batches, eliminating compatibility issues in critical assemblies.
Specification Summary & Compliance
Manufactured to exact ASME B18.2.2 specifications with Class 2B thread fit tolerance for consistent performance. Features 5/8"-11 UNC coarse threads with right-hand direction and external hex drive. Dimensions include 1-1/16" width and 39/64" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
