S-95005A125 5/16"-18 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to premium 316 Stainless Steel construction, ideal for marine, chemical, and outdoor applications.
• Exceptional tensile strength and load-bearing capacity ensured by ASTM Grade 8M certification, providing reliable performance under high-stress conditions.
• Easy and quick installation with coarse UNC threading and Class 2B fit, reducing assembly time and minimizing cross-threading risks.
• Durable, long-lasting fastening with a standard external hex drive, allowing for secure tightening using common tools without stripping.
• Consistent dimensional accuracy with a 1/2" width and 17/64" height, ensuring precise fit and interchangeability in inch-system assemblies.
• Compliance with rigorous industry standards including ASTM A194, guaranteeing material quality and performance for heavy-duty industrial use.
• Versatile right-hand thread design for broad compatibility across machinery, equipment, and structural applications requiring robust fasteners.

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered to address common industrial challenges such as corrosion-induced failure and mechanical loosening under vibration. Made from 316 Stainless Steel, it offers excellent resistance to pitting and chloride attack, making it suitable for offshore, chemical processing, and food industry equipment. The UNC coarse thread and Class 2B thread fit provide a balanced combination of easy assembly and secure retention, reducing installation errors in time-sensitive operations. With an external hex drive and standard profile, it ensures compatibility with standard wrenches, streamlining maintenance and replacement in machinery, construction, and transportation sectors. This nut delivers reliable fastening solutions where strength, durability, and corrosion resistance are critical.

Specification Summary & Compliance

This hex nut adheres to precise dimensional standards with a Thread Size of 5/16"-18 UNC, Coarse Thread Spacing, and Class 2B Thread Fit for consistent engagement and tolerance. It meets ASTM A194 material specifications and ASTM Grade 8M strength requirements, ensuring high mechanical performance. The product is manufactured in compliance with industry-recognized standards for quality and safety, supporting reliable use in various industrial fastener applications. It conforms to RoHS and REACH environmental directives, providing a safe and sustainable option for global sourcing.