S-90866A116 12-24 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless manual tightening and loosening with the standard wing profile and 1 1/8" width, eliminating the need for tools in maintenance and assembly tasks.
• Superior corrosion resistance in harsh environments due to the durable zinc-plated steel construction, extending the component's service life.
• Reliable and secure fastening ensured by the 12-24 UNC coarse thread and Class 2B fit, providing consistent engagement and vibration resistance.
• High torque application capability from the 1/2" height and wing design, allowing for a firm grip and sufficient leverage during installation.
• Broad compatibility with inch-system components using the standard right-hand UNC thread, simplifying sourcing and replacement in existing assemblies.
• Quick installation and adjustment facilitated by the coarse thread spacing, which speeds up hand-tightening processes on the production line.
• Stable seating and alignment with the 31/64" base diameter, providing a solid foundation for secure connections in various industrial setups.

Professional Applications & Engineering Value

This zinc-plated steel thumb nut is engineered to solve critical challenges in industrial settings where speed, durability, and manual operation are paramount. The 12-24 UNC coarse thread and Class 2B fit deliver precise, vibration-resistant connections, reducing the risk of loosening in machinery, electrical enclosures, and automotive assemblies. The wing nut head shape allows for rapid tool-free adjustments, making it ideal for applications requiring frequent disassembly, such as panel fastening, jig fixtures, and prototyping. The robust zinc plating provides a protective barrier against moisture and chemicals, ensuring long-term performance in demanding environments like outdoor equipment and manufacturing plants. By combining ease of use with high-strength steel, this component minimizes downtime and enhances operational efficiency for B2B clients.

Specification Summary & Compliance

This thumb nut adheres to standard inch system dimensions, featuring a 12-24 UNC coarse thread with a Class 2B thread fit for consistent accuracy and interchangeability. The right-hand thread direction and standard wing nut profile comply with common industrial specifications. Manufacturing follows general quality practices, and the zinc-plated finish aligns with RoHS and REACH compliance for environmental safety, ensuring suitability for various industrial and commercial applications without hazardous substances.