S-90499A815 3/8"-24 Hex Nuts

Key Features & Benefits at a Glance

• Superior load-bearing capacity with Grade 8 steel construction for reliable performance in high-stress industrial environments
• Precise thread engagement through Class 2B fine threading (3/8"-24 UNF) ensuring vibration resistance and secure fastening
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Enhanced durability from right-hand fine threading that maintains integrity under repeated torque applications
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use across regulated industries
• Optimal dimensional stability with 9/16" width and 21/64" height providing consistent performance in assembly applications
• Interchangeable compatibility with UNF thread standards for seamless integration into existing inch-system equipment

Professional Applications & Engineering Value

This Grade 8 steel hex nut delivers exceptional engineering value through its high-strength material composition and precision 3/8"-24 UNF fine threading. The Class 2B thread fit provides optimal clearance for smooth assembly while maintaining tight tolerances critical for vibration-prone applications. The external hex drive profile enables efficient installation in confined spaces using standard tools, reducing assembly time in industrial maintenance and manufacturing. Particularly valuable in heavy machinery, automotive systems, and structural applications where fine thread nuts prevent loosening under dynamic loads. The combination of inch system compatibility and right-hand thread direction makes it ideal for replacement parts in North American industrial equipment requiring reliable, high-strength fastening solutions.

Specification Summary & Compliance

Manufactured to precise inch system standards with 3/8"-24 UNF fine threads and Class 2B thread fit tolerances. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The Grade 8 strength classification ensures consistent performance in demanding applications, with dimensional specifications including 9/16" width across flats and 21/64" height. Right-hand thread direction and external hex drive style conform to industrial fastener standards for reliable interoperability.