S-92421A144 6-32 x 1/4" Thumb Screws

Key Features & Benefits at a Glance

• Superior manual grip with a 3/8" knurled round head, enabling quick and secure hand-tightening without tools.
• Excellent corrosion resistance due to the brass material, ideal for use in various environments without rusting.
• Reliable and precise fit with 6-32 UNC coarse threading and Class 2A thread fit, ensuring consistent engagement and reducing cross-threading risks.
• Enhanced stability during tightening provided by the flared collar design, which helps distribute pressure and prevent damage to surfaces.
• Full-length threading for maximum adjustability and holding power along the entire 1/4" length.
• Compliance with environmental standards, including RoHS 3 and REACH, making it safe for use in regulated industries like electronics.
• Durable construction with right-hand thread direction for standard applications, supporting long-term performance in frequent assembly and disassembly.

Professional Applications & Engineering Value

This 6-32 UNC brass thumb screw is engineered to address common challenges in industrial and electronic assemblies, where frequent adjustments and reliable fastening are critical. The knurled head offers an ergonomic, non-slip surface for easy hand operation, reducing installation time and eliminating the need for specialized tools in tight spaces. Made from brass, it resists corrosion and maintains integrity in humid or corrosive environments, making it ideal for electronic hardware, instrumentation, and consumer devices. The coarse thread and Class 2A fit ensure quick engagement and minimize stripping, while the flared collar adds stability to prevent over-tightening and surface damage. By combining durability with compliance to RoHS and REACH standards, this thumb screw supports efficient, safe, and sustainable manufacturing processes.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent tolerance and a 6-32 UNC coarse thread with right-hand direction. It is fully threaded over a 1/4" length and features a 3/8" knurled round head with flared collar for enhanced functionality. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial and electronic applications.