S-93439A656 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from silicon bronze material, ideal for marine and harsh outdoor environments
• Precise Class 2B thread fit ensures reliable engagement and vibration resistance in fine-threaded assemblies
• Standard external hex drive allows for easy installation with common wrenches and sockets
• 1/2"-20 UNF fine threading provides enhanced clamping force and reduced loosening under dynamic loads
• Full RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance
• Durable inch-system construction maintains dimensional stability under mechanical stress
• 3/4" width and 7/16" height profile offers optimal torque transmission and space-efficient design

Professional Applications & Engineering Value

Engineered for demanding environments, this silicon bronze hex nut delivers exceptional performance where corrosion resistance is critical. Its UNF fine thread (1/2"-20) and Class 2B thread fit provide superior holding power in high-vibration applications such as marine hardware, coastal infrastructure, and chemical processing equipment. The external hex drive ensures straightforward installation with standard tools, reducing assembly time. Made from silicon bronze, it withstands saltwater, humidity, and industrial atmospheres without galvanic corrosion, extending service life and minimizing maintenance in industrial and outdoor applications.

Specification Summary & Compliance

This hex nut features a 1/2"-20 UNF fine thread with Class 2B thread fit per unified inch standards, ensuring precise dimensional accuracy. It measures 3/4" in width and 7/16" in height, manufactured from silicon bronze for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting stringent environmental and safety requirements for industrial use.