S-90179A253 10-24 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual tightening and loosening with a spade-shaped thumb head requiring no tools
• Superior grip and stability from the integrated flange that acts as a built-in washer
• High-strength performance with a tensile strength of 40,000 psi for demanding applications
• Excellent durability and wear resistance provided by steel construction with Rockwell B55 hardness
• Fast and reliable installation thanks to the coarse UNC thread and Class 2A fit for easy starting
• Maximum engagement and holding power from the 2-inch fully threaded design
• Safe for regulated environments with full compliance to RoHS 3 (2015/863/EU)

Professional Applications & Engineering Value

This 10-24 UNC coarse thread steel thumb screw is engineered to solve critical assembly challenges in industrial settings. The spade head and flanged design eliminate the need for separate tools and washers, speeding up maintenance and panel access on machinery, electronic enclosures, and jigs. Made from high-strength steel with a Rockwell B55 hardness, it withstands repeated manual adjustments without stripping or deforming. The fully threaded 2" length and Class 2A thread fit ensure consistent, secure fastening in deep-tapped holes, providing reliable vibration resistance in heavy-duty applications where quick disassembly is essential.

Specification Summary & Compliance

This thumb screw adheres to the Unified National Coarse (UNC) thread standard with a Class 2A tolerance for consistent fit. The dimensional specifications include a 10-24 thread size, a 2" length that is fully threaded, a 7/16" head width, and a 0.344" flange diameter. It is manufactured to meet industry standards for mechanical performance and is fully RoHS 3 (2015/863/EU) Compliant, ensuring it is free of hazardous substances for use in regulated markets.