S-90494A235 5/8"-18 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced durability and corrosion resistance with Grade 2 steel construction, ideal for demanding industrial environments.
• Space-saving thin profile design allows for use in tight assemblies without compromising strength.
• Precise Class 2B thread fit ensures smooth engagement and reliable fastening with mating components.
• Secure external hex drive provides excellent torque transmission for easy installation and removal with standard tools.
• Fine UNF thread spacing offers superior vibration resistance and load distribution in critical applications.
• Compliance with RoHS 3 and REACH regulations guarantees safe, environmentally responsible manufacturing for global supply chains.
• Right-hand thread direction simplifies installation and aligns with standard assembly practices.

Professional Applications & Engineering Value

This 5/8"-18 UNF thin hex nut is engineered to address common challenges in industrial fastening, such as space constraints and vibration-induced loosening. Crafted from Grade 2 steel, it provides reliable strength and longevity in machinery, automotive, and equipment assemblies. The fine thread and Class 2B fit ensure minimal backlash and superior holding power, reducing maintenance needs. Its thin profile is perfect for applications where standard nuts are too bulky, while the external hex drive allows for efficient installation with common wrenches. Compliant with RoHS and REACH, it meets stringent environmental standards, making it a trusted choice for OEMs and maintenance teams seeking durable, compliant fasteners.

Specification Summary & Compliance

This nut adheres to inch system dimensions with a width of 15/16" and height of 3/8". It features UNF fine threads in a 5/8"-18 size with Class 2B thread fit for consistent precision. Manufactured to Grade 2 strength standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.