S-92427A546 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
- Effortless manual installation and removal with spade head design requiring no tools for quick adjustments
- Superior corrosion resistance due to brass construction, ensuring long-term reliability in humid or corrosive environments
- High mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for demanding applications
- Precise thread engagement through Class 2A fit UNC coarse threads, reducing cross-threading risks
- Full-length threading providing consistent grip along the entire 1½" length for secure fastening
- Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
- Right-hand thread direction following standard conventions for intuitive installation
Professional Applications & Engineering Value
This brass thumb screw delivers exceptional value in applications requiring frequent access or adjustments, such as electrical enclosures, machinery guards, and instrumentation panels. The spade head design eliminates tool dependency while the UNC coarse threading ensures rapid installation even in blind applications. The fully threaded 1/4"-20 configuration maintains consistent clamping force across the entire engagement length, while the brass material's natural corrosion resistance prevents galvanic corrosion when mating with dissimilar metals. These features combine to create a reliable fastening solution that reduces maintenance time and extends service life in industrial environments where repeated access is necessary.
Specification Summary & Compliance
Manufactured to precise inch system specifications with 1/4"-20 UNC coarse threads maintaining Class 2A thread fit for consistent dimensional accuracy. The screw features complete right-hand threading along its 1½" length with spade head configuration (½" height, 23/32" width). Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety standards are met for industrial use.
