S-90210A111 1/4"-20 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced torque control with a low-profile knurled head for secure, slip-resistant handling in tight spaces
• Reduced surface damage thanks to the swivel tip that pivots up to 10°, distributing pressure evenly on delicate materials
• High tensile strength of 70,000 psi ensures reliable performance in demanding industrial applications
• Quick and secure fastening with UNC coarse threading and Class 2A fit for easy alignment and vibration resistance
• Easy maintenance and replacement with a removable swivel tip for simplified assembly and part swaps
• Corrosion-resistant black-oxide steel provides durability and compliance with RoHS environmental standards
• Versatile right-hand threading compatible with standard inch-system components for broad usability

Professional Applications & Engineering Value

This black-oxide steel thumb screw is engineered to address common fastening challenges in industrial settings, such as repeated adjustments and access in confined areas. The low-profile knurled head offers superior grip, enabling precise torque application without specialized tools, which is critical in assembly lines or maintenance tasks. The removable swivel tip minimizes marring on sensitive surfaces like painted panels or electronic enclosures, while the UNC coarse thread ensures rapid installation and robust holding power. Ideal for machinery, jigs, and equipment requiring frequent disassembly, this screw combines durability with user-friendly design to enhance productivity and reduce wear in heavy-duty applications.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy and ease of use. It is manufactured from black-oxide steel and complies with RoHS 3 (2015/863/EU) regulations, including exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental safety in industrial components.