S-90181A245 10-24 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Easy manual installation with a comfortable spade head design that provides excellent grip without tools
• High durability and strength from steel construction with Rockwell B55 hardness, resisting wear in demanding environments
• Reliable load-bearing capability with 40,000 psi tensile strength, ensuring secure fastening under stress
• Quick assembly and disassembly thanks to coarse UNC threading and right-hand direction for efficient manual operation
• Precise thread fit with Class 2A tolerance, reducing cross-threading risks and improving connection integrity
• Full threading along the 3/4" length for maximum engagement and holding power in various material thicknesses
• Versatile industrial use as a robust, reusable fastener for applications requiring frequent adjustments

Professional Applications & Engineering Value

This 10-24 UNC thumb screw is engineered to address common industrial challenges where tool-free, rapid fastening is essential. The steel material and Rockwell B55 hardness provide exceptional resistance to deformation and corrosion, making it ideal for machinery panels, electronic enclosures, and assembly jigs that undergo regular maintenance. The spade head shape offers a broad surface for comfortable hand-tightening, reducing operator fatigue while ensuring a firm hold. With coarse threading and Class 2A thread fit, it minimizes binding and speeds up installation in wood, metal, or plastic components, delivering consistent performance in production lines, HVAC systems, and prototyping setups where reliability and ease of use are critical.

Specification Summary & Compliance

This thumb screw features a 10-24 UNC coarse thread with Class 2A thread fit for standard dimensional accuracy, ensuring compatibility with common nuts and tapped holes. It is fully threaded and right-hand oriented, manufactured from high-grade steel with a tensile strength of 40,000 psi and Rockwell B55 hardness. The product adheres to industry standards for inch-system fasteners and is suitable for general industrial applications, with compliance to relevant specifications for quality and performance.