S-97008A724 5/16"-18 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with zinc-plated steel construction for reliable performance in various industrial environments
• Quick manual installation and removal thanks to the spade thumb head design requiring no tools
• Superior load-bearing capacity with 40,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Secure and reliable fastening ensured by the UNC coarse thread and Class 2A fit for consistent engagement
• Increased stability and distribution of load from the integrated flange, reducing surface damage
• Full threading for maximum grip along the entire 3/4" length, providing versatile positioning
• Right-hand threading for standard operation, compatible with common assembly practices

Professional Applications & Engineering Value

This zinc-plated steel thumb screw is engineered to address common industrial challenges such as frequent adjustments and exposure to harsh conditions. The spade head design allows for easy hand-tightening, eliminating the need for tools in maintenance-heavy environments like machinery panels, electronic enclosures, and assembly jigs. Its UNC coarse thread and Class 2A fit provide quick, secure fastening with reduced cross-threading risks, while the zinc plating offers a protective barrier against corrosion, extending service life. The fully threaded and flanged construction ensures even load distribution and vibration resistance, making it ideal for heavy-duty applications where reliability and ease of use are critical.

Specification Summary & Compliance

This thumb screw adheres to UNC coarse thread standards with a Class 2A thread fit for precise dimensional accuracy. It meets general industry specifications for zinc-plated steel fasteners, ensuring compatibility and performance. The product is manufactured in compliance with RoHS and REACH environmental directives, supporting safe and sustainable usage in various sectors.