S-92533A107 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• Effortless hand-tightening and adjustment thanks to the fully knurled round head for a secure, non-slip grip
• Reliable and precise thread engagement ensured by the Class 2B thread fit, reducing the risk of cross-threading
• Robust mechanical performance from the coarse 5/16"-18 UNC thread, designed for high-strength applications and quick assembly
• Versatile installation compatibility with standard UNC coarse threading and right-hand direction for common industrial use
• Compliance with stringent environmental and safety standards, being REACH and RoHS 3 compliant for global supply chain integration
• Durable and stable design with a 1/2" collar diameter and 5/8" height, providing a solid footprint for repeated use

Professional Applications & Engineering Value

This 316 Stainless Steel Thumb Nut is engineered to address common industrial challenges, such as corrosion in marine, chemical, or outdoor settings, by leveraging the material's excellent resistance to pitting and crevice corrosion. The fully threaded design and coarse UNC thread ensure quick, secure fastening in high-vibration environments, reducing maintenance downtime. The knurled round head allows for tool-free adjustments, making it ideal for applications requiring frequent disassembly, such as in machinery access panels, electrical enclosures, and fluid handling systems. By incorporating Class 2B thread fit, it guarantees precise alignment and reduces the risk of stripping, enhancing overall assembly reliability and safety in demanding B2B operations.

Specification Summary & Compliance

This thumb nut adheres to UNC thread standards with a size of 5/16"-18 and Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets environmental safety requirements for hazardous substance restrictions. The product features a standard round head profile with a knurled texture, a collar diameter of 1/2", and a total height of 5/8", manufactured to provide reliable performance in industrial fastening applications.