S-93575A313 5/16"-24 Thumb Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Quick and easy manual installation and removal without tools, enabled by the standard wing profile and ergonomic design for efficient assembly and maintenance.
• Precise and reliable thread engagement with a Class 2B fine thread (UNF 5/16"-24) fit, ensuring vibration resistance and secure fastening in high-performance assemblies.
• Excellent durability and material integrity from 316 stainless steel, providing long-term performance and resistance to pitting and crevice corrosion.
• Right-hand thread direction for standard, intuitive tightening, compatible with common industrial components and reducing assembly errors.
• Compliance with major environmental regulations, including RoHS 3 and REACH, ensuring safety and suitability for regulated industries and global supply chains.
• Optimized dimensions (1 1/4" width, 5/8" height, 35/64" base diameter) for a secure grip and stable seating in various mounting scenarios.

Professional Applications & Engineering Value

This 316 stainless steel thumb nut is engineered to address common industrial challenges, such as corrosion-induced failure and the need for rapid, tool-free adjustments. Its UNF fine thread (5/16"-24) and Class 2B fit deliver precise thread engagement, minimizing the risk of loosening under vibration in machinery, electrical enclosures, and fluid handling systems. The standard wing profile allows for effortless hand-tightening, making it ideal for applications requiring frequent access or maintenance, such as in marine hardware, food processing equipment, and chemical instrumentation. By combining high corrosion resistance with user-friendly design, this nut reduces downtime and enhances reliability in demanding environments, supporting efficient operations and long-term cost savings.

Specification Summary & Compliance

This thumb nut features a 5/16"-24 UNF fine thread with a Class 2B thread fit, ensuring dimensional accuracy and compatibility with standard UNF threaded components. Manufactured from 316 stainless steel, it adheres to industry standards for material performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.