S-90179A833 10-32 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual tightening and loosening with the spade head design, eliminating the need for tools in frequent adjustments
• Superior durability and wear resistance from high-strength steel with a Rockwell B55 hardness, ensuring a long service life
• Reliable load-bearing performance backed by a 40,000 psi tensile strength for demanding industrial applications
• Precise and secure thread engagement with Class 2A thread fit, minimizing the risk of cross-threading and ensuring consistent performance
• Enhanced stability and distribution of clamping force due to the integrated flange, preventing the screw from sinking into softer materials
• Full-length threading provides maximum grip and adjustability along the entire 1" length of the screw
• Broad compatibility with standard 10-32 UNF fine-threaded components, simplifying sourcing and assembly

Professional Applications & Engineering Value

This 10-32 UNF thumb screw is engineered to solve common challenges in industrial assembly and maintenance. The high-strength steel construction and Rockwell B55 hardness provide exceptional resistance to deformation and wear, making it ideal for applications requiring repeated manual adjustments without tool access, such as on access panels, machine guards, and electronic enclosures. The spade head offers excellent grip for quick operation, while the fully threaded design and Class 2A precision thread fit ensure reliable fastening and vibration resistance. The integrated flange increases the bearing surface, distributing load more effectively and protecting sensitive surfaces. This combination of features delivers a robust, user-friendly thumb screw solution that enhances efficiency and reliability in industrial settings.

Specification Summary & Compliance

This thumb screw adheres to UNF (Unified National Fine) thread standards with a 10-32 thread size and Class 2A thread fit for precise dimensional accuracy. The fine thread spacing and right-hand thread direction are standard for compatibility. Manufactured from steel with a tensile strength of 40,000 psi, it is suitable for a wide range of industrial applications. The product is designed to meet common industry specifications for mechanical fasteners, ensuring reliable performance and interchangeability.