S-90876A170 5/8"-11 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free installation and removal with comfortable 2 3/4" wing span for easy hand tightening in hard-to-reach areas
• Superior grip and torque application thanks to the standard wing nut profile, ensuring secure fastening without slipping
• Exceptional durability and strength provided by the high-quality steel construction, resistant to wear in demanding environments
• Reliable thread engagement with Class 2B thread fit, offering consistent performance and reducing cross-threading risks
• Broad compatibility with 5/8"-11 UNC coarse threads, making it ideal for various industrial equipment and machinery
• Stable seating from the 1 1/16" base diameter, distributing load evenly and enhancing joint integrity
• Efficient assembly using right-hand thread direction, aligning with standard practices for quicker maintenance

Professional Applications & Engineering Value

This heavy-duty steel thumb nut is engineered to address common industrial challenges, such as the need for rapid, tool-free fastening in maintenance, machinery, and equipment assembly. The UNC coarse thread design ensures quick installation and high resistance to vibration loosening, while the Class 2B thread fit provides precise tolerance for reliable connections without galling. Made from robust steel, it withstands harsh conditions, including exposure to oils and moderate corrosion, making it ideal for applications in manufacturing, automotive, and construction sectors. Its standard wing nut profile and ample width allow for comfortable hand tightening, reducing operator fatigue and improving efficiency in repetitive tasks.

Specification Summary & Compliance

This thumb nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It features a coarse thread spacing of 5/8"-11, right-hand thread direction, and a base diameter of 1 1/16". Manufactured from steel, it complies with industry specifications for strength and durability, and is suitable for general industrial use. While specific certifications are not listed, it is designed to meet common quality benchmarks for inch-based fasteners in tool-free applications.