S-99862A530 3/8"-16 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with a standard wing profile and 1 3/8" width for superior grip and faster assembly without tools.
• Excellent corrosion resistance provided by the zinc alloy material, ensuring long-term durability in various industrial environments.
• Reliable thread engagement with a Class 2B thread fit and coarse UNC threading, offering secure fastening and vibration resistance.
• Broad compatibility with 3/8"-16 UNC male threads, making it a versatile component for numerous inch-based assemblies.
• Stable mounting base due to the 11/16" base diameter, which helps distribute load and prevent loosening under stress.
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• Right-hand thread direction for intuitive installation that aligns with standard industrial practices, reducing assembly errors.

Professional Applications & Engineering Value

This zinc alloy thumb nut is engineered to solve common industrial challenges such as frequent adjustments and exposure to harsh conditions. The coarse UNC thread (3/8"-16) and Class 2B thread fit ensure quick, secure fastening even in high-vibration environments, reducing maintenance needs. Its standard wing profile and generous width allow for easy hand tightening, making it ideal for applications where tools are impractical, such as machinery panels, electrical enclosures, and conveyor systems. The zinc alloy construction provides inherent corrosion resistance, extending service life in demanding settings while the RoHS and REACH compliance supports use in regulated industries, from automotive to electronics assembly.

Specification Summary & Compliance

This thumb nut adheres to UNC coarse thread standards with a 3/8"-16 thread size and Class 2B thread fit for precise, reliable performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances. Dimensions include a base diameter of 11/16", width of 1 3/8", and height of 3/4", manufactured for consistent quality in industrial fastening applications.