S-94812A880 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from Nylon 6/6 material, eliminating rust issues in humid or chemical environments
• Reliable electrical insulation properties for safe use in electrical assemblies and sensitive equipment
• Wide temperature tolerance from -40°F to 185°F, maintaining performance in extreme thermal conditions
• Precise Class 2B thread fit ensures smooth assembly and consistent clamping force in critical applications
• Standard external hex drive design provides familiar, tool-friendly installation with common wrenches
• RoHS 3 compliance meets environmental regulations for hazardous substance restrictions in industrial markets
• Lightweight nylon construction reduces overall assembly weight while providing durable fastening performance

Professional Applications & Engineering Value

This 1/2"-20 UNF fine thread hex nut delivers critical engineering advantages where metal fasteners fall short. The Nylon 6/6 plastic construction provides inherent corrosion resistance, making it ideal for marine, chemical processing, and outdoor equipment applications where moisture and chemicals degrade metal components. Its excellent electrical insulation properties prevent current leakage in electrical enclosures, control panels, and electronic assemblies. The Class 2B thread fit ensures precise engagement with mating UNF threaded components, reducing the risk of cross-threading while maintaining vibration resistance. With a temperature range of -40° to 185° F, this nut performs reliably in both freezing and elevated temperature environments, from automotive underhood applications to food processing equipment where thermal cycling is common.

Specification Summary & Compliance

This inch system hex nut features 1/2"-20 UNF fine threads with Class 2B thread fit per Unified National Fine standards, ensuring dimensional accuracy and interchangeability. The standard external hex drive design (49/64" width, 7/16" height) accommodates common wrenching tools. Manufacturing complies with RoHS 3 (2015/863/EU) requirements, restricting hazardous substances for environmental safety. The right-hand thread direction follows conventional fastening practices, while the standard hex nut profile maintains compatibility with existing industrial applications and tooling.