S-97619A950 1 1/2"-6 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Enhanced load distribution and reduced surface pressure with the extra wide hex profile
• High mechanical strength for demanding applications, certified to ASTM Grade 8M standards
• Reliable coarse threading (UNC) for faster assembly and reduced cross-threading risk
• Precise Class 2B thread fit ensuring secure fastening and vibration resistance
• Compliance with environmental regulations including RoHS 3 and REACH for global supply chain compatibility
• External hex drive compatibility with standard tools for easy installation and maintenance

Professional Applications & Engineering Value

This heavy-duty hex nut delivers exceptional performance in corrosive and high-stress environments where standard fasteners fail. The 316 stainless steel material provides outstanding resistance to chlorides and acidic conditions, making it ideal for marine, chemical processing, and offshore applications. The extra wide profile significantly increases bearing surface area, preventing material deformation and maintaining clamp load under extreme vibration. Combined with coarse UNC threads and Class 2B thread fit, this nut ensures rapid installation while maintaining secure connections in structural assemblies, heavy machinery, and pipeline systems where reliability is critical.

Specification Summary & Compliance

This hex nut features 1 1/2"-6 UNC coarse threads with Class 2B thread fit for precise engagement. Manufactured to ASTM A194 specifications with ASTM Grade 8M strength classification. Dimensions include 2 3/8" width and 1 1/2" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across regulated industries.