S-91185A891 10-24 x 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Tool-free operation with comfortable two-arm Acetal plastic head for quick adjustments and reduced assembly time
• Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or demanding environments
• Precise, reliable fastening with Class 3A thread fit ensuring tight tolerances and minimal backlash
• Wide thermal compatibility with Acetal head operating from 32° to 180°F without deformation
• Enhanced grip and durability from black Acetal plastic, resistant to wear and providing secure handling
• Maximum holding power through fully threaded design for consistent engagement along the entire 1/2" length
• Industry-standard compatibility with 10-24 UNC coarse threads for easy replacement and broad application use

Professional Applications & Engineering Value

This 10-24 UNC thumb screw combines the strength of 18-8 stainless steel with the ergonomic advantages of a black Acetal plastic head, addressing common industrial challenges like frequent adjustments and exposure to moderate temperatures. The Class 3A thread ensures precise fit in UNC coarse thread applications, reducing cross-threading risks in equipment panels, electronic enclosures, and machinery guards. Its fully threaded right-hand design provides uniform clamping force, while the two-arm head allows for hand-tightening in tight spaces—eliminating the need for tools and speeding up maintenance cycles in industrial and commercial settings.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a 10-24 thread size and Class 3A thread fit for high precision. The 1/2" length and coarse thread spacing ensure reliable performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety requirements for global industrial use.