S-91850A190 3/8"-16 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Enhanced wrench grip and reduced slippage due to the extra wide hex profile
• Reliable and quick assembly with coarse UNC threading and right-hand direction
• Consistent thread engagement and secure fit ensured by Class 2B precision thread fit
• Durable, long-lasting performance in demanding industrial and marine applications
• Compliance with major environmental regulations including RoHS 3 and REACH
• Robust fastening for heavy-duty use with external hex drive for high-torque applications

Professional Applications & Engineering Value

This 316 stainless steel extra wide hex nut is specifically engineered to solve critical challenges in corrosive and high-stress environments. Its UNC coarse thread design facilitates faster installation and reduces cross-threading risks, while the Class 2B thread fit guarantees a secure, vibration-resistant connection. The extra wide hex profile provides a larger surface area for tools, minimizing rounding and enabling higher torque application without failure. Ideal for industrial machinery, chemical processing equipment, marine hardware, and offshore structures, this nut delivers exceptional corrosion resistance and mechanical strength, ensuring long-term reliability and reduced maintenance costs in aggressive operational conditions.

Specification Summary & Compliance

This hex nut conforms to UNC coarse thread standards with a size of 3/8"-16 and a precision Class 2B thread fit for consistent dimensional accuracy. It features an external hex drive, right-hand thread direction, and dimensions of 11/16" width and 23/64" height. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.