S-91745A827 10-32 x 3/8" 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 corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in humid or corrosive environments
• Precise and secure fastening with a Class 2A thread fit, minimizing the risk of cross-threading and ensuring consistent performance
• Excellent grip and handling due to the generous 9/16" head width and 3/8" head height, enhancing user control during installation
• Full threading along the 3/8" length for maximum engagement and holding power in a wide range of material thicknesses
• Compliance with major environmental regulations including RoHS 3 and REACH, making it suitable for global supply chains and sensitive applications
• Reliable performance in fine-thread applications with the 10-32 UNF thread, offering improved resistance to vibration loosening

Professional Applications & Engineering Value

This 10-32 UNF thumb screw is engineered to solve common challenges in industrial assembly and maintenance. The 18-8 Stainless Steel construction provides excellent resistance to rust and oxidation, making it ideal for use in electronics enclosures, medical devices, marine equipment, and outdoor machinery where environmental factors are a concern. The spade head offers a large, comfortable surface for hand-tightening, reducing operator fatigue in applications requiring frequent access, such as panel fastening, calibration covers, or prototype development. The fine UNF thread and Class 2A fit ensure a precise, secure connection that maintains integrity under vibration, a critical feature in automotive, aerospace, and precision instrument applications. Its fully threaded design allows for versatile use across different material depths, providing consistent clamping force and simplifying inventory management for engineers and procurement specialists.

Specification Summary & Compliance

This thumb screw features a 10-32 UNF fine thread with a Class 2A thread fit, ensuring dimensional accuracy and interchangeability according to Unified National Fine standards. The manufacturing adheres to strict quality controls for thread form and diameter (0.19"). It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting its use in environmentally conscious and regulated industries.