S-90866A145 3/8"-24 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless manual tightening with wing-shaped head design for tool-free installation and adjustment in tight spaces
• Superior corrosion resistance through zinc-plated steel construction, extending service life in demanding industrial environments
• Precision thread engagement with Class 2B thread fit ensuring reliable, vibration-resistant connections in critical applications
• Optimized for fine-thread applications using 3/8"-24 UNF right-hand threads for enhanced load distribution and sealing capabilities
• Generous gripping surface with 1 1/2" width and 3/4" height for comfortable, secure handling during repeated adjustments
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use across regulated industries
• Standardized compatibility with 45/64" base diameter conforming to industry specifications for consistent performance

Professional Applications & Engineering Value

This zinc-plated steel thumb nut delivers exceptional value in applications requiring frequent manual adjustments or where tool access is limited. The wing nut profile provides substantial torque advantage for secure fastening without specialized tools, while the fine UNF threads offer superior resistance to vibrational loosening in machinery, electrical enclosures, and assembly fixtures. The corrosion-resistant zinc plating protects against environmental degradation in manufacturing plants, outdoor equipment, and marine-adjacent applications. Engineers specify this Class 2B thread fit component for precision assemblies where consistent clamping force and reliable disassembly are critical, making it ideal for maintenance panels, adjustable brackets, and temporary fixtures across industrial sectors.

Specification Summary & Compliance

This thumb nut features 3/8"-24 UNF fine threads with Class 2B thread fit per Unified Thread Standard specifications, ensuring precise dimensional accuracy and reliable mating with corresponding male threads. The component maintains 45/64" base diameter with standard wing nut profile dimensions (1 1/2" width × 3/4" height). Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental directives, confirming restriction of hazardous substances for global market acceptance. Right-hand thread direction follows conventional industrial practice for consistent installation across applications.