S-90732A350 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
- Enhanced corrosion resistance through black-oxide steel coating, extending service life in demanding environments
- Superior torque transmission with external hex drive design for secure tool engagement and reduced slippage
- Precise thread engagement with Class 2A UNF fine threads ensuring reliable fastening in critical applications
- High mechanical strength with 70,000 psi tensile strength and Rockwell B84 hardness for heavy-duty use
- Tool-free manual operation through thumb head design for quick adjustments without specialized equipment
- Full threading coverage along the 1/2" length provides maximum grip and load distribution
- Regulatory compliance with RoHS 3 and REACH standards for safe use across industrial sectors
Professional Applications & Engineering Value
These 10-32 UNF thumb screws in black-oxide steel deliver exceptional performance where frequent adjustments and high reliability are paramount. The external hex drive combined with the thumb head offers dual-operation flexibility, enabling both manual quick-disconnect and tool-assisted high-torque applications. The UNF fine thread configuration maintains superior vibration resistance in precision equipment, electronic enclosures, and machinery guards. With fully threaded construction and Class 2A thread fit, these screws ensure consistent clamping force across the entire engagement length, preventing loosening under dynamic loads. The black-oxide surface treatment provides moderate corrosion protection while maintaining dimensional stability, making these thumb screws ideal for maintenance panels, access doors, and frequently serviced industrial components.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Complies with RoHS 3 (2015/863/EU) under exemption 6(a)-I and REACH (EC 1907/2006) regulations. Features UNF fine thread specification (10-32) with right-hand direction and full threading along the 1/2" length. Mechanical properties include Rockwell B84 hardness and 70,000 psi tensile strength for reliable operation in industrial fastening applications.
