S-90580A320 5/8"-11 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
- Enhanced load distribution with extra wide profile for superior stability in high-stress applications
- Maximum torque resistance through ASTM A563 Grade C steel construction for reliable fastening performance
- Quick installation efficiency with coarse UNC threading and Class 2B thread fit for smooth assembly
- Durable external hex drive design providing secure tool engagement and reduced slippage risk
- Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
- Heavy-duty reliability with right-hand threading maintaining consistent performance under vibration
- Standardized compatibility with 5/8"-11 UNC components for seamless integration in existing systems
Professional Applications & Engineering Value
This heavy-duty hex nut delivers exceptional engineering value through its ASTM A563 Grade C steel composition and extra wide profile, specifically engineered to address common industrial challenges. The robust construction prevents deformation under extreme loads while the coarse UNC threading with Class 2B thread fit ensures reliable engagement in high-vibration environments common in machinery, structural steel connections, and heavy equipment assembly. The external hex drive design allows for maximum torque application without compromising the nut's integrity, making it ideal for applications requiring repeated maintenance or adjustment. Its 5/8"-11 UNC specification provides universal compatibility across industrial systems where dependable, long-lasting fastening solutions are critical for operational safety and reduced maintenance downtime.
Specification Summary & Compliance
This hex nut maintains precise Class 2B thread fit tolerances with UNC coarse thread spacing (5/8"-11) and complies with ASTM A563 manufacturing specifications. The component meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe usage across regulated industries. Dimensions include 1-1/16" width and 39/64" height for consistent performance in standardized applications.
