S-94804A355 5/8"-18 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for chemical processing and marine applications.
• Precise thread engagement with Class 2B fit ensures reliable, vibration-resistant connections in critical assemblies.
• Enhanced durability from fine UNF threads (5/8"-18), providing higher tensile strength and better load distribution than coarse threads.
• Wide compatibility with standard 15/16" wrench sizes and right-hand threading for seamless integration into existing inch-system equipment.
• Environmental compliance with RoHS 3 and REACH standards, meeting strict industrial safety and regulatory requirements.
• Optimized installation using external hex drive design for easy torque application and secure fastening in tight spaces.

Professional Applications & Engineering Value

This 316 stainless steel hex nut delivers exceptional performance in demanding sectors like marine engineering, chemical plants, and food processing, where exposure to chlorides, acids, and moisture is common. The UNF fine thread (5/8"-18) design minimizes the risk of loosening under dynamic loads, while the Class 2B thread fit guarantees consistent clamping force without galling. Its standard hex profile and external hex drive simplify maintenance and reduce assembly time, making it a cost-effective solution for OEMs and MRO professionals seeking long-term reliability and compliance with RoHS and REACH environmental directives.

Specification Summary & Compliance

Manufactured to precise inch system dimensions (Width: 15/16", Height: 35/64") with UNF fine threads (5/8"-18) and Class 2B thread fit for consistent accuracy. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to global environmental and safety standards for industrial fasteners.