S-94819A172 5/8"-18 ASTM F594 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 Stainless Steel material, ideal for harsh environments like marine and chemical industries.
• Precise Class 2B thread fit ensures smooth assembly and reliable engagement, reducing the risk of cross-threading and improving operational efficiency.
• Fine thread design (18 TPI) provides superior vibration resistance and enhanced clamping force in high-stress applications.
• Compliance with ASTM F594 standards guarantees consistent quality, dimensional accuracy, and mechanical performance for industrial use.
• External hex drive style allows for easy installation and removal with standard tools, minimizing downtime in maintenance.
• RoHS 3 and REACH compliant for safe, environmentally responsible use, meeting global regulatory requirements.
• Durable standard hex profile offers excellent torque transmission and long-term reliability in demanding fastener systems.

Professional Applications & Engineering Value

This 5/8"-18 UNF hex nut in 316 Stainless Steel is engineered to address common industrial challenges, such as corrosion and vibration loosening. The fine thread configuration enhances grip strength and stability, making it suitable for critical assemblies in marine equipment, chemical processing, and offshore structures. Its ASTM F594 compliance ensures tight tolerances and consistent performance under varying loads, while the external hex drive simplifies installation in confined spaces. By combining corrosion-resistant properties with precise Class 2B thread fit, this nut reduces maintenance frequency and extends service life in aggressive environments, delivering reliable engineering value for B2B procurement.

Specification Summary & Compliance

This hex nut features a 5/8"-18 UNF fine thread with Class 2B thread fit for accurate engagement, adhering to ASTM F594 manufacturing standards. Dimensions include a width of 15/16" and height of 35/64", ensuring compatibility with standard components. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable industrial applications.