S-97008A250 10-32 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual tightening and loosening with the spade thumb head design, eliminating the need for tools in frequent adjustments.
• Superior corrosion resistance provided by the zinc-plated steel finish, extending the screw's service life in various industrial environments.
• Reliable, precision fit ensured by the Class 2A fine UNF thread, minimizing the risk of cross-threading and ensuring consistent assembly quality.
• Enhanced load distribution and retention from the integrated flange, providing a larger bearing surface for more secure fastening.
• High mechanical strength and durability with a Rockwell B55 hardness and 40,000 psi tensile strength, suitable for demanding applications.
• Maximum grip along the entire length due to the fully threaded design, offering versatile positioning and holding power.
• Safe for use in regulated industries as it is fully RoHS 3 compliant, meeting strict environmental and safety standards.

Professional Applications & Engineering Value

This 10-32 UNF thumb screw is engineered to address common challenges in industrial assembly and maintenance, where tool-less operation and reliable performance are critical. The zinc-plated steel construction offers excellent resistance to rust and corrosion, making it ideal for equipment panels, electronic enclosures, and machinery that require periodic access. The spade head provides a comfortable, high-torque grip for quick adjustments without marring surfaces. Its fine thread (UNF) and Class 2A fit ensure precise engagement in tapped holes, reducing vibration-induced loosening in dynamic environments. The fully threaded and flanged design enhances stability and distributes clamping force evenly, preventing damage to softer materials. This combination of features delivers a robust, user-friendly thumb screw solution that boosts efficiency and reduces downtime in professional settings.

Specification Summary & Compliance

This thumb screw adheres to the UNF (Unified National Fine) thread standard with a Class 2A tolerance for consistent, interchangeable fits. Key dimensional attributes include a 10-32 thread size, 3/8" length, and a 0.344" flange diameter. It is manufactured from zinc-plated steel and is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it is free of hazardous substances for safe use in electronic and general industrial applications.