S-90181A829 10-32 x 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
- Enhanced manual operation with comfortable spade head design (3/8" height, 9/16" width) for superior grip without tools
- Exceptional durability from Rockwell B55 hardness steel construction, resisting wear in frequent adjustment applications
- High load-bearing capability with 40,000 psi tensile strength for reliable performance in demanding industrial environments
- Precise thread engagement through Class 2A fit and 10-32 UNF fine threads, ensuring secure fastening and vibration resistance
- Full threading versatility allowing installation at any point along the 1/2" length for flexible positioning
- Right-hand thread standardization for intuitive installation and compatibility with existing UNF threaded components
- Environmental compliance assurance with RoHS 3 certification, meeting international regulatory requirements
Professional Applications & Engineering Value
This 10-32 UNF thumb screw delivers critical engineering solutions where frequent access and manual adjustments are required. The steel construction with Rockwell B55 hardness provides superior resistance to deformation and wear in high-cycle applications, while the spade head design offers ergonomic advantages for quick hand-tightening operations. The fully threaded configuration and Class 2A fit ensure consistent clamping force and vibration resistance in electronic enclosures, machinery guards, and precision instrument assemblies. With 40,000 psi tensile strength, this fine thread screw maintains integrity under mechanical stress, making it ideal for industrial maintenance, aerospace components, and telecommunications equipment where reliability and quick service access are paramount.
Specification Summary & Compliance
This thumb screw features precision 10-32 UNF threads with Class 2A fit tolerance for consistent engagement, manufactured to inch system standards. The fully threaded design spans the complete 1/2" length with right-hand direction. Compliance includes RoHS 3 (2015/863/EU) environmental regulations, ensuring restricted substance-free manufacturing for global industrial applications.
