S-90772A831 10-32 x 3/4" 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
- Secure, damage-free fastening with a soft nylon tip that protects sensitive surfaces from scratches and marring during installation and removal.
- Enhanced corrosion resistance from the zinc-plated steel construction, ensuring long-term durability in various industrial environments.
- High-strength reliability with a tensile strength of 40,000 psi and Rockwell B71 hardness, providing robust performance for demanding applications.
- Precise and easy manual operation thanks to the spade-shaped thumb head, offering excellent grip and tool-free adjustment.
- Superior thread engagement with a Class 2A fine (UNF) thread fit, ensuring vibration resistance and a secure hold in pre-tapped holes.
- Full threading for maximum versatility, allowing the screw to be used at any point along its 3/4" length for flexible positioning.
- Compliance with global safety standards, being RoHS 3 and REACH compliant for use in regulated and environmentally conscious industries.
Professional Applications & Engineering Value
This 10-32 UNF thumb screw is engineered to solve common fastening challenges in precision assembly and electronic enclosures. The combination of zinc-plated steel for corrosion resistance and a soft nylon tip is critical for applications requiring repeated access without damaging anodized finishes or painted surfaces. The spade head design allows for quick, tool-less adjustments, making it ideal for panels, access doors, and equipment that need frequent maintenance. Its Class 2A fine thread provides a precise fit, reducing the risk of cross-threading and ensuring consistent clamping force in industrial settings. This design directly addresses the need for a durable, user-friendly, and non-marring thumb screw that maintains integrity under mechanical stress.
Specification Summary & Compliance
This screw features a 10-32 UNF thread with a Class 2A thread fit for precise dimensional accuracy and a right-hand thread direction. It is fully threaded and manufactured from zinc-plated steel. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial components.
