S-94819A046 5/16"-18 ASTM F594 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Reliable thread engagement with Class 2B thread fit, ensuring consistent clamping force and reducing the risk of loosening under vibration
• Enhanced durability from ASTM F594 compliance, providing consistent mechanical properties and load distribution
• Easy installation and removal with standard external hex profile and coarse UNC threads, speeding up assembly in industrial settings
• Compliance with environmental regulations including RoHS 3 and REACH, making it safe for use in regulated industries
• Wide compatibility with 5/16"-18 UNC coarse threaded bolts, offering versatility across various inch-system machinery and equipment
• Stable performance under heavy-duty conditions, thanks to precise dimensions (1/2" width, 17/64" height) and right-hand threading for standard applications

Professional Applications & Engineering Value

This 5/16"-18 UNC hex nut in 316 stainless steel addresses critical challenges in demanding industrial environments, such as corrosion from chemicals, saltwater, or high humidity. Its coarse thread design and Class 2B thread fit provide excellent resistance to vibration loosening, making it suitable for machinery, structural assemblies, and equipment where reliability is paramount. The external hex drive style allows for efficient torque application with common tools, reducing installation time and labor costs. By meeting ASTM F594 specifications, it ensures consistent strength and performance, while its compliance with RoHS and REACH standards supports use in sectors like manufacturing, marine, and chemical processing, where material integrity and regulatory adherence are essential for long-term operation.

Specification Summary & Compliance

This hex nut features a 5/16"-18 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy, adhering to ASTM F594 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial applications requiring high corrosion resistance and durability.