S-90282A237 1/2"-13 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with a wide 1 1/4" knurled head for superior grip and quick assembly without tools.
• Enhanced durability and corrosion resistance thanks to the Black-Oxide Steel finish, extending the component's service life.
• Reliable fastening in high-stress applications backed by an 80,000 PSI tensile strength and Rockwell B85 hardness.
• Secure and flush mounting achieved with the low-profile round head design, ideal for tight spaces.
• Precise and robust thread engagement ensured by the 1/2"-13 UNC coarse thread with Class 2A fit for consistent performance.
• Reduces surface marring and misalignment with a permanent swivel tip that accommodates a 7.5° angle for a secure fit on uneven surfaces.
• Guaranteed material safety and compliance for global industrial use, meeting RoHS 3 and REACH standards.

Professional Applications & Engineering Value

This heavy-duty thumb screw is engineered to solve common industrial challenges where tool-less, high-strength fastening is critical. The Black-Oxide Steel construction provides excellent resistance to wear and environmental factors, making it ideal for machinery panels, electronic enclosures, and frequent-adjustment fixtures. The combination of coarse UNC threading and a Class 2A thread fit ensures rapid installation and reliable holding power, even in high-vibration environments. The integrated permanent swivel tip is a key feature that prevents damage to contact surfaces and compensates for minor angular misalignments, streamlining maintenance and assembly processes in industrial applications.

Specification Summary & Compliance

This thumb screw features a 1/2"-13 UNC coarse thread with a Class 2A thread fit for standard tolerance and interchangeability. The product is fully threaded and manufactured to meet industry specifications for dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) with exemption 6(a)-I and REACH (EC 1907/2006), ensuring it adheres to strict environmental and safety regulations for industrial components.