S-90282A241 1/2"-13 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced Grip & Effortless Hand-Tightening: The fully knurled 1-1/4" head provides superior finger traction, allowing for quick installation and removal without tools.
• Precision Alignment & Reduced Surface Damage: The integrated permanent swivel tip with a 7.5° maximum angle compensates for misalignment, protecting components from gouging and ensuring even pressure distribution.
• Exceptional Durability & Corrosion Resistance: Made from black-oxide steel, this screw offers reliable protection against rust and wear, backed by a high 80,000 psi tensile strength and Rockwell B85 hardness.
• Reliable & Fast Engagement: The UNC coarse thread with a Class 2A fit ensures easy starting, rapid installation, and consistent performance in a wide range of materials.
• Streamlined, Low-Profile Design: The round, low-profile head minimizes snagging and provides a clean finish, ideal for applications with limited clearance.
• Secure, Long-Term Fastening: Being fully threaded and featuring a right-hand thread direction, it delivers maximum holding power along the entire 2" length for a dependable clamp.
• Compliance for Global Markets: Meets RoHS 3 and REACH regulations, ensuring environmental safety and suitability for use in regulated industries.

Professional Applications & Engineering Value

This black-oxide steel thumb screw is engineered to solve common assembly challenges in industrial maintenance, machinery, and electronic enclosures. The permanent swivel tip is a critical feature that prevents cross-threading and component damage by accommodating angular misalignment during hand-tightening. This is especially valuable for repeated access panels or fixtures where precise alignment is difficult. The combination of a knurled head for a non-slip grip and coarse UNC threads enables rapid servicing and adjustments without specialized tools, reducing downtime. The high tensile strength and protective black-oxide finish ensure long-term reliability in demanding environments, making it an ideal industrial thumb screw for applications requiring both strength and user convenience.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a precise Class 2A thread fit for consistent engagement. The dimensional specifications include a 1/2"-13 thread size, a 2" length, and a low-profile, round head design. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances for safe industrial use.