S-96966A139 8-32 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with the spade head design, eliminating the need for tools in quick assembly or adjustment scenarios.
• Superior corrosion resistance provided by the zinc-plated steel finish, extending the screw's service life in various industrial environments.
• High mechanical strength with a tensile strength of 40,000 psi and Rockwell B55 hardness, ensuring reliable performance under load.
• Secure and precise fit due to the Class 2A thread fit, offering consistent engagement and reducing the risk of cross-threading.
• Wide compatibility with the 8-32 UNC coarse thread, a common standard for easy integration into existing North American equipment and components.
• Maximum holding power from the fully threaded design, providing full-length grip along the entire 1-inch shank.
• Environmental and regulatory compliance by meeting RoHS 3 standards, making it suitable for use in regulated industries.

Professional Applications & Engineering Value

This 8-32 UNC thumb screw is engineered to address common challenges in industrial maintenance, prototyping, and equipment assembly where frequent adjustments are necessary. The zinc-plated steel construction offers a durable barrier against rust and wear, crucial for maintaining integrity in environments with exposure to moisture or chemicals. The spade head and coarse thread spacing enable rapid, tool-free installation and removal, significantly reducing downtime in production lines or field service. Its fully threaded design ensures uniform stress distribution and a firm hold, preventing loosening from vibrations. Ideal for use in electronic enclosures, machinery panels, and jig fixtures, this screw provides a reliable, user-friendly fastening solution that enhances operational efficiency and reduces the need for specialized tools.

Specification Summary & Compliance

This thumb screw adheres to the Unified National Coarse (UNC) thread standard with a Class 2A tolerance for consistent, precision fit. The manufacturing ensures compliance with RoHS 3 (2015/863/EU) regulations, confirming the absence of restricted hazardous substances. Key dimensional specifications include a thread size of 8-32, a length of 1 inch, and a coarse thread spacing, all designed to meet industrial requirements for reliability and interchangeability.