S-90494A035 5/8"-11 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Durability: Made from Grade 2 steel for reliable strength and resistance to wear in demanding industrial environments.
• Space-Saving Design: Thin profile allows for use in tight spaces where standard hex nuts cannot fit, without compromising performance.
• Quick Assembly: Coarse UNC threading enables faster installation and reduced risk of cross-threading, saving valuable time during assembly.
• Secure Fastening: Class 2B thread fit ensures consistent, reliable engagement with mating bolts for vibration-resistant connections.
• Easy Installation & Removal: External hex drive provides superior grip for standard wrenches, facilitating straightforward maintenance.
• Environmental Compliance: Fully compliant with RoHS 3 and REACH standards, ensuring safe use in regulated industries.
• Broad Compatibility: Designed to inch system standards for seamless integration with existing UNC threaded components.

Professional Applications & Engineering Value

This 5/8"-11 UNC thin hex nut is engineered to address common challenges in machinery, structural frameworks, and heavy-duty equipment assemblies. The Grade 2 steel construction provides excellent tensile strength and corrosion resistance, reducing the risk of failure under dynamic loads. Its coarse thread spacing and Class 2B thread fit ensure quick, precise alignment with mating bolts, minimizing installation errors in high-volume production lines. The thin hex profile is particularly valuable in confined spaces—such as electrical enclosures or compact mechanical systems—where standard nuts are impractical. With external hex drive compatibility, it supports efficient torque application using common tools, enhancing workflow efficiency while maintaining secure, long-lasting fastening in industrial settings.

Specification Summary & Compliance

This hex nut features a 5/8"-11 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy. Key measurements include a width of 15/16" and height of 3/8". It adheres to standard inch system specifications and is manufactured from Grade 2 steel for assured mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, supporting responsible sourcing and usage in global markets.