S-94323A840 1/4"-20 x 3/4" 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 a knurled thumb head for superior grip in tight spaces
- Excellent corrosion and chemical resistance due to durable Nylon Plastic construction
- Reliable performance across a wide temperature range from -40°F to 185°F
- High tensile strength of 11,000 psi for secure and durable fastening in demanding applications
- Quick and easy assembly with coarse UNC threads and a Class 2A fit for smooth engagement
- Secure and stable seating provided by the raised round head with an integrated collar
- Compliance with environmental regulations, being RoHS 3 (2015/863/EU) Compliant
Professional Applications & Engineering Value
This 1/4"-20 Nylon Plastic Thumb Screw is engineered to solve common industrial challenges where tool-free, rapid access and corrosion resistance are paramount. The Nylon material inherently resists rust, chemicals, and electrical conductivity, making it ideal for electronics, machinery panels, and outdoor equipment. The coarse UNC thread and Class 2A fit ensure fast, reliable engagement without cross-threading, reducing assembly time and maintenance. The knurled head offers a non-slip grip, even with gloved hands, enhancing operator safety and efficiency in environments requiring frequent adjustments. Its robust design supports applications from prototyping to production lines, providing a lightweight yet strong fastening solution that withstands varying thermal conditions without compromising integrity.
Specification Summary & Compliance
This thumb screw features a 1/4"-20 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and ease of use. It is fully threaded and right-hand direction, with specifications including a head diameter of 35/64", head height of 5/32", and a raised round profile with a collar. The product complies with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances, and is designed for general industrial use without specific hardness ratings.
