S-97619A440 1/2"-13 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
• Superior load distribution and reduced risk of loosening due to the extra wide hex profile
• High mechanical strength and reliability for heavy-duty applications, certified to ASTM Grade 8M
• Easy and quick installation with a standard 1/2"-13 UNC coarse thread and Class 2B fit
• Guaranteed material and manufacturing quality through compliance with ASTM A194 specifications
• Safe for use in regulated industries with full RoHS 3 and REACH compliance
• Optimal wrench engagement and torque transmission from the external hex drive style

Professional Applications & Engineering Value

This 316 Stainless Steel Hex Nut is engineered to solve critical challenges in demanding industrial settings. Its extra wide profile provides a larger bearing surface, which significantly reduces surface pressure and helps prevent material damage or joint failure under high vibrational loads. The coarse UNC thread ensures rapid assembly and is less prone to cross-threading, making it ideal for maintenance and construction applications where speed is crucial. Combined with the excellent corrosion resistance of 316 stainless steel, this nut delivers long-term reliability in aggressive environments such as chemical processing, marine applications, and offshore structures, effectively minimizing downtime and maintenance costs.

Specification Summary & Compliance

This nut features a 1/2"-13 UNC coarse thread with a Class 2B thread fit for consistent engagement and assembly ease. It is manufactured in accordance with ASTM A194 and meets the mechanical property requirements of ASTM Grade 8M. Key dimensions include a width of 7/8" and a height of 31/64". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.