S-91185A903 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 two-arm plastic head design for comfortable, tool-free tightening and adjustment
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or demanding industrial environments
- Precise, secure fastening with Class 3A thread fit and fine UNF threading, minimizing vibration loosening
- Durable, temperature-resistant head made from black Acetal plastic, performing reliably from 32° to 180°F
- Full threading along 1/2" length ensures maximum engagement and holding power in various material thicknesses
- Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements
- Right-hand thread direction provides intuitive installation following standard industry practices
Professional Applications & Engineering Value
This 10-32 UNF thumb screw combines the strength of 18-8 stainless steel with the ergonomic benefits of a black Acetal plastic head, creating an ideal solution for applications requiring frequent adjustments without tools. The Class 3A thread fit and fine thread spacing deliver exceptional clamping force and vibration resistance in precision assemblies, electronic enclosures, and industrial equipment. The two-arm thumb screw design allows operators to make quick adjustments even in confined spaces, while the temperature-resistant Acetal head maintains its integrity across a wide operating range. This combination addresses common pain points in maintenance-heavy environments where corrosion resistance, ease of use, and reliable performance are critical.
Specification Summary & Compliance
This fully threaded thumb screw features a 10-32 UNF thread size with Class 3A thread fit precision and right-hand thread direction. The inch-system fasteners maintain dimensional accuracy with a 1/2" length and 0.19" thread diameter. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring restricted substance control.
