S-92815A119 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced grip and torque application with knurled head texture for secure hand-tightening in tight spaces
• Superior corrosion resistance from black-oxide steel finish, extending service life in industrial environments
• Space-saving low-profile design allows installation where clearance is limited without compromising strength
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance in assembly operations
• Quick installation capability through right-hand coarse UNC threads for faster assembly and disassembly
• Optimized weight distribution with round head shape providing comfortable manual operation during repeated use
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This black-oxide steel thumb nut solves critical challenges in maintenance-heavy environments where tool-free operation is essential. The knurled round head provides exceptional grip even with oily hands or gloves, reducing installation time in conveyor systems, machinery guards, and electrical enclosures. The low-profile design combined with UNC coarse threads ensures rapid engagement while maintaining structural integrity under vibration. Class 2B thread fit guarantees consistent performance in automated assembly lines and field service applications, making it ideal for manufacturing equipment, transportation components, and industrial controls where frequent adjustments are necessary without specialized tools.

Specification Summary & Compliance

Manufactured to precise inch system measurements with 5/16"-18 UNC coarse threads and Class 2B thread fit tolerance. Features include 1/2" collar diameter, 5/16" height, and right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations, ensuring environmental responsibility in industrial supply chains.