S-90181A833 10-32 x 1" 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
- Tool-free installation and adjustment with ergonomic spade head design for quick manual operation in tight spaces
- Exceptional durability and wear resistance from steel construction with Rockwell B55 hardness for repeated use cycles
- Reliable load-bearing capacity with 40,000 psi tensile strength to withstand vibration and mechanical stress
- Precise thread engagement through Class 2A thread fit ensuring consistent fastening without cross-threading
- Optimized for fine-thread applications using 10-32 UNF right-hand threads for superior holding power in thinner materials
- Maximum grip length utilization with fully threaded 1" shank for full-depth penetration in assemblies
- Environmentally responsible manufacturing with RoHS 3 compliance for use in regulated industries
Professional Applications & Engineering Value
This 10-32 UNF thumb screw delivers critical advantages in applications requiring frequent access or adjustment without tools. The steel construction with Rockwell B55 hardness provides excellent resistance to deformation during repeated manual tightening, while the 40,000 psi tensile strength ensures reliable performance under mechanical loads. The spade head design offers superior grip for quick installation and removal in electronic enclosures, machinery guards, and instrumentation panels. The fine thread spacing and Class 2A thread fit prevent loosening in vibration-prone environments, making these thumb screws ideal for precision equipment, aerospace components, and industrial controls where secure yet accessible fastening is essential.
Specification Summary & Compliance
This thumb screw features a 10-32 UNF thread with Class 2A thread fit for precise dimensional accuracy and proper mating with corresponding nuts and threaded holes. The fully threaded 1" length with right-hand fine spacing ensures maximum engagement depth. Manufacturing complies with RoHS 3 (2015/863/EU) environmental regulations, making it suitable for electronics, medical devices, and other applications requiring restricted substance compliance.
