S-90242A627 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from Black-Oxide 316 Stainless Steel, ideal for harsh environments and chemical exposure.
• Superior torque transmission with an external hex drive design, ensuring reliable tightening and loosening in demanding applications.
• Precise and secure thread engagement due to the Class 2B thread fit, minimizing the risk of cross-threading and vibration-induced loosening.
• Enhanced durability in fine-thread applications with the 1/2"-20 UNF thread, providing greater adjustment precision and load distribution.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for regulated industries.
• Standard hex nut profile for compatibility with common wrenches and tools, facilitating quick and easy installation.
• Reliable performance in right-hand thread assemblies, making it a versatile choice for standard industrial machinery and equipment.

Professional Applications & Engineering Value

This 1/2"-20 UNF hex nut is engineered to address critical challenges in industrial settings where corrosion resistance and thread reliability are paramount. The Black-Oxide 316 Stainless Steel construction provides excellent protection against rust and chemical degradation, making it suitable for marine, chemical processing, and outdoor applications. The fine thread spacing and Class 2B thread fit ensure a tight, secure connection that resists loosening under vibration, common in automotive, aerospace, and heavy machinery. Its external hex drive allows for high torque application, reducing installation time and improving maintenance efficiency. This nut delivers long-term durability and performance, minimizing downtime and replacement costs in industrial hex nut assemblies.

Specification Summary & Compliance

This hex nut features a 1/2"-20 UNF fine thread with a Class 2B thread fit for precise dimensional accuracy and easy assembly. It adheres to standard inch system measurements, with a width of 3/4" and height of 7/16". The product is manufactured to meet industry specifications for external hex drive and right-hand thread applications. It 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 use in various industrial and commercial environments.