S-94323A837 1/4"-20 x 1/2" Thumb Screws
Thumb Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior hand-tightening capability with knurled head texture for slip-resistant grip in various conditions
- Excellent corrosion resistance due to nylon plastic construction, eliminating rust concerns in humid environments
- Wide temperature tolerance from -40° to 185°F for reliable performance across diverse operating conditions
- Quick assembly/disassembly with thumb-operated design reducing tool dependency and maintenance time
- Precise thread engagement through Class 2A UNC coarse threads ensuring consistent fastening performance
- Enhanced durability with 11,000 psi tensile strength supporting repeated use in moderate stress applications
- Environmental compliance meeting RoHS 3 standards for restricted substance control
Professional Applications & Engineering Value
This nylon thumb screw solves critical industrial challenges where frequent access and non-conductive properties are paramount. The knurled head design provides exceptional tactile grip even with gloves or oily hands, significantly reducing installation time in equipment maintenance panels, electronic enclosures, and prototyping fixtures. Its plastic construction prevents galvanic corrosion when used with dissimilar metals and eliminates short-circuit risks in electrical applications. The fully threaded 1/4"-20 UNC coarse thread with Class 2A fit maintains reliable engagement in plastic and soft metal substrates, while the temperature resistance ensures dimensional stability across industrial and outdoor environments. These features make it ideal for quick assembly applications in manufacturing, electronics, and automotive sectors where tool-less fastening accelerates production workflows.
Specification Summary & Compliance
Manufactured to precise dimensional standards including 1/4"-20 UNC coarse threads with Class 2A thread fit for consistent engagement. Features a 35/64" knurled head diameter with raised profile for enhanced ergonomics. Complies with RoHS 3 (2015/863/EU) environmental regulations regarding restricted substances. The right-hand thread direction and fully threaded 1/2" length provide standardized fastening performance across compatible applications.