S-90499A810 5/16"-24 Hex Nuts

Key Features & Benefits at a Glance

• Maximum load-bearing capacity with Grade 8 steel construction, ensuring reliable performance in high-stress applications
• Superior vibration resistance through 5/16"-24 UNF fine threading that maintains secure connections under dynamic loads
• Precise thread engagement with Class 2B fit for consistent installation torque and reduced risk of cross-threading
• Enhanced durability from steel material providing excellent corrosion resistance for extended service life
• Industry-standard compatibility with standard 1/2" hex profile allowing use with common wrenching tools
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries
• Optimized height-to-strength ratio with 17/64" profile delivering robust performance in space-constrained applications

Professional Applications & Engineering Value

This Grade 8 steel hex nut delivers exceptional engineering value in demanding industrial environments where vibration resistance and high tensile strength are critical. The 5/16"-24 UNF fine thread configuration provides superior holding power compared to coarse threads, making it ideal for precision machinery, automotive assemblies, and heavy equipment where loosening under dynamic loads poses significant operational risks. The Class 2B thread fit ensures consistent engagement with mating components while the external hex drive design facilitates efficient installation with standard tools. Manufactured from high-strength steel with full RoHS 3 and REACH compliance, this hex nut meets the stringent requirements of industrial manufacturing, construction equipment, and transportation applications where reliability and regulatory compliance are paramount.

Specification Summary & Compliance

This heavy-duty hex nut features precision 5/16"-24 UNF fine threading with Class 2B thread fit per Unified National Fine thread standards. The component maintains dimensional accuracy with 1/2" width across flats and 17/64" height profile. Manufactured from Grade 8 steel for maximum strength performance, the nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for use in regulated industries and international markets.