S-93430A415 3/8"-16 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection with hot-dipped galvanized steel coating for extended service life in harsh environments
• Excellent vibration resistance due to coarse UNC thread spacing that maintains secure fastening under dynamic loads
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• Enhanced installation efficiency through external square drive design that prevents tool slippage during tightening
• Optimal material strength from hot-dipped galvanized steel construction for heavy-duty industrial applications
• Standardized compatibility with 3/8"-16 UNC threaded components across various equipment and machinery
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe industrial use

Professional Applications & Engineering Value

This heavy-duty square nut delivers exceptional engineering value in demanding industrial environments where corrosion resistance and mechanical reliability are critical. The hot-dipped galvanized steel construction provides a thick, durable zinc coating that effectively prevents rust formation in outdoor applications, chemical processing facilities, and marine environments. The 3/8"-16 UNC coarse thread configuration ensures rapid installation and superior resistance to vibration loosening, making it ideal for structural steel connections, heavy machinery assembly, and construction equipment. The external square drive design allows for secure wrench engagement, preventing rounding during high-torque applications while the Class 2B thread fit guarantees consistent performance across multiple installations. These features combine to solve common industrial challenges including fastener corrosion, vibration-induced failure, and installation inefficiency.

Specification Summary & Compliance

This square nut features precise Class 2B thread fit per UNC standards with 3/8"-16 coarse thread spacing and right-hand thread direction. Manufactured from hot-dipped galvanized steel with dimensions of 5/8" width and 21/64" height in the inch measurement system. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors while meeting international quality standards for industrial fasteners.