S-99607A116 6-32 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual grip and torque application with knurled round head design, reducing slippage during frequent adjustments
• Superior corrosion resistance and durability due to 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Reliable thread engagement and consistent fastening with UNC coarse threads and Class 2A fit, minimizing cross-threading risks
• High mechanical strength under load with 80,000 psi tensile strength and Rockwell B85 hardness for long-term performance
• Quick and secure installation without tools featuring a flared collar for stable seating and fully threaded shank
• Compliance with international environmental standards including RoHS 3 and REACH, ensuring safe use in regulated applications

Professional Applications & Engineering Value

This 6-32 UNC thumb screw is engineered to address common challenges in industrial assembly and maintenance, where tool-free, repeated adjustments are essential. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for electronics, machinery, and outdoor equipment. The knurled round head and flared collar design offer a secure, non-slip grip, enabling quick manual tightening even in confined spaces. With coarse threading and a Class 2A fit, it ensures fast, reliable engagement without specialized tools, reducing installation time and improving workflow efficiency in prototyping, panel fastening, and modular systems.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy. It is fully manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications. Key specifications include a 3/8" length, right-hand thread direction, and coarse thread spacing, ensuring consistent performance across various fastening scenarios.