S-92239A420 3/8"-16 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with wing-shaped head design for quick assembly and disassembly without tools
• Enhanced load distribution through 7/8" flange diameter preventing surface damage and loosening under vibration
• Superior corrosion resistance with black zinc alloy coating protecting against industrial environmental factors
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance in repeated applications
• Optimized for coarse threading with 3/8"-16 UNC specification providing faster installation and debris resistance
• Right-hand threading compatibility for standard industrial equipment and maintenance procedures
• Durable construction maintaining structural integrity in high-usage scenarios and heavy-duty applications

Professional Applications & Engineering Value

This flanged thumb nut delivers exceptional value in applications requiring frequent adjustments or tool-free maintenance. The black zinc alloy construction provides superior corrosion protection in manufacturing environments, while the 7/8" flat flange distributes clamping force evenly, preventing damage to sensitive surfaces. The 3/8"-16 UNC coarse thread configuration ensures rapid installation and resists jamming from debris in industrial settings. Engineered with Class 2B thread fit, this component maintains precise tolerances for reliable performance in machinery, equipment panels, and assembly fixtures where vibration resistance and quick access are critical. The wing-style head design enables operators to achieve proper torque without specialized tools, reducing maintenance downtime significantly.

Specification Summary & Compliance

This thumb nut features 3/8"-16 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and reliable performance. The component includes a flat flange design measuring 7/8" in diameter with 0.06" thickness, providing optimal load distribution. Manufactured from zinc alloy with black zinc coating for corrosion protection, this fastener meets industry standards for right-hand threading applications and is suitable for various industrial assembly requirements where hand-tightening capability and durability are essential.