S-92741A213 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced Grip and Torque Application: Knurled round head design ensures secure handling and maximum torque transfer without slipping, even in oily or high-vibration environments.
• Corrosion Resistance and Durability: Zinc-plated brass construction provides excellent protection against rust and wear, extending service life in demanding industrial settings.
• Quick and Secure Fastening: Flanged profile with a 17/32" collar diameter distributes load evenly, reducing the risk of surface damage and enabling faster manual installation.
• Reliable Thread Engagement: Fully threaded UNC coarse spacing and Class 2B thread fit ensure smooth, precise mating with standard bolts, minimizing cross-threading risks.
• Wide Compatibility and Easy Handling: Right-hand thread direction and 5/16"-18 size offer broad interoperability with common inch-system components, facilitating quick adjustments.
• Compliance with Safety Standards: Meets RoHS 3 and REACH regulations, ensuring safe use in regulated industries without hazardous materials.
• Sturdy Build for Repeated Use: Robust collar height of 7/32" and overall height of 13/32" provide structural integrity, supporting heavy-duty applications with frequent assembly and disassembly.

Professional Applications & Engineering Value

This zinc-plated brass flanged thumb nut is engineered to address common challenges in industrial maintenance, machinery, and electronic enclosures where tool-free fastening is essential. The knurled round head offers superior manual grip, reducing installation time and preventing slippage during high-torque applications. Made from durable brass with a zinc plating, it resists corrosion in humid or chemically exposed environments, ensuring long-term reliability. The UNC coarse thread and Class 2B fit enable quick, secure engagement with standard 5/16"-18 bolts, minimizing assembly errors and enhancing efficiency in production lines. Ideal for applications requiring frequent adjustments, such as in automotive fixtures or panel systems, this nut combines ease of use with robust performance, reducing downtime and maintenance costs.

Specification Summary & Compliance

This thumb nut adheres to UNC thread standards with Class 2B thread fit for precise dimensional accuracy and coarse spacing. It complies with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met. Key specifications include a collar diameter of 17/32", height of 13/32", and fully threaded right-hand design, manufactured for consistent performance in industrial applications.