S-91510A161 1/4"-20 x 1 1/2" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding environments
- Effortless hand-tightening thanks to the ergonomic wing head design, eliminating the need for tools in quick-assembly applications
- Maximum holding power provided by the fully threaded shank, delivering consistent grip along the entire 1 1/2" length
- Reliable thread engagement with Class 2A fit UNC coarse threads, ensuring smooth installation and secure fastening
- Broad industrial compatibility with standardized 1/4"-20 thread size, making it a versatile component for various equipment
- Enhanced safety compliance by meeting RoHS 3 and REACH regulations, supporting responsible manufacturing and usage
Professional Applications & Engineering Value
This zinc-plated steel thumb screw is engineered to address common industrial challenges where frequent adjustments or tool-free access are required. The wing head design provides exceptional leverage for hand-tightening, reducing assembly time and minimizing the risk of cross-threading in applications like panel fastening, machinery guards, and electronic enclosures. The fully threaded body and coarse UNC thread ensure rapid installation and reliable clamping force, while the zinc plating offers a protective barrier against rust and corrosion in humid or outdoor settings. Ideal for maintenance teams and production lines, this thumb screw combines user convenience with industrial-grade durability, supporting efficient operations without compromising on safety or performance.
Specification Summary & Compliance
This product features a 1/4"-20 UNC coarse thread with Class 2A thread fit for standard tolerance and easy assembly. It is manufactured from zinc-plated steel and is fully threaded along its 1 1/2" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards in industrial applications.
