S-90772A829 10-32 x 1/2" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Damage-free fastening with soft nylon plastic tip that protects sensitive surfaces during assembly and adjustment
- Superior corrosion resistance through zinc-plated steel construction for extended service life in demanding environments
- High mechanical strength with 40,000 psi tensile strength and Rockwell B71 hardness for reliable performance under load
- Tool-free operation with spade-shaped thumb head design enabling quick manual installation and removal
- Precision thread engagement with Class 2A thread fit and UNF fine threading for secure, vibration-resistant connections
- Full thread coverage along the 1/2" length provides maximum adjustment range and holding power
- Regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety requirements are met
Professional Applications & Engineering Value
This 10-32 UNF thumb screw delivers exceptional engineering value across industrial applications where frequent adjustments and tool-free operation are essential. The zinc-plated steel construction provides durable corrosion protection for electronics enclosures, machinery guards, and assembly fixtures. The soft nylon plastic tip eliminates marring and damage to finished surfaces in precision equipment, while the spade head design offers superior grip for manual tightening. With fine thread spacing and Class 2A thread fit, this fastener maintains secure connections in vibration-prone environments, making it ideal for aerospace components, test equipment, and industrial controls where reliability and quick access are critical operational requirements.
Specification Summary & Compliance
This thumb screw features precision 10-32 UNF threading with Class 2A thread fit for consistent engagement and reliable performance. The fastener meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) standards for chemical safety. Manufactured with fully threaded design and right-hand thread direction, it ensures maximum utility across industrial applications requiring manual adjustment capabilities.
