S-94320A399 8-32 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual grip with knurled head texture for secure, tool-free tightening and loosening in tight spaces.
• High-strength plastic construction using durable Nylon material, providing a tensile strength of 11,000 psi for reliable fastening in non-structural applications.
• Wide temperature resistance from -40°F to 185°F, ensuring consistent performance in varied environmental conditions without degrading.
• Quick and easy installation facilitated by the coarse UNC thread and Class 2A fit, enabling rapid assembly and reducing labor time.
• Corrosion and chemical resistance inherent to Nylon Plastic, making it ideal for use in electronics, labs, and other sensitive environments.
• High-profile round head design offers improved leverage and a comfortable surface for repeated hand adjustments without discomfort.
• Eco-friendly compliance with RoHS 3 standards, ensuring the screw is free from hazardous substances for safe use in regulated industries.

Professional Applications & Engineering Value

This 8-32 UNC High Profile Round Head Thumb Screw is engineered to address common challenges in assembly and maintenance where tools are impractical or time-consuming. The Nylon Plastic construction provides excellent electrical insulation and resistance to many chemicals, making it a top choice for electronic enclosures, laboratory equipment, and consumer devices. The coarse threading and Class 2A thread fit ensure quick engagement and secure holds, reducing the risk of cross-threading in repetitive applications. Its knurled thumb head offers a non-slip grip, enabling operators to apply sufficient torque by hand even in low-light or confined spaces. This design is particularly valuable in industries requiring frequent adjustments, such as prototyping, HVAC access panels, and medical device housings, where durability and ease of use are critical.

Specification Summary & Compliance

This thumb screw adheres to UNC coarse thread standards with a size of 8-32 and a Class 2A thread fit for consistent dimensional accuracy. It features a fully threaded design with a right-hand thread direction, a head diameter of 25/64", and a length of 1". The product is manufactured in compliance with RoHS 3 (2015/863/EU) regulations, ensuring it is free from restricted hazardous substances for safe and sustainable use in global markets.