S-92427A550 1/4"-20 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual operation with comfortable spade head design requiring no tools for installation and removal
• Superior corrosion resistance from high-quality brass construction, ideal for various industrial environments
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B40 hardness for demanding applications
• Reliable thread engagement with Class 2A UNC coarse threads ensuring secure fastening and easy alignment
• Full-length threading providing maximum grip and adjustment flexibility along the entire 2" length
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Optimized grip surface with 1/2" height and 23/32" width spade head for secure handling even with gloves

Professional Applications & Engineering Value

This brass thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-less operation. The spade head design provides superior ergonomics for quick hand-tightening in confined spaces, while the high-strength brass construction maintains integrity in corrosive environments where steel fasteners would fail. The fully threaded 1/4-20 UNC coarse thread pattern ensures rapid installation and secure holding power in wood, plastic, and soft metals. Engineers specify this Class 2A thread fit for precision equipment, electrical enclosures, and industrial machinery where vibration resistance and repeated access are critical. The combination of 50,000 psi tensile strength and environmental compliance makes it ideal for medical devices, marine applications, and electronic assemblies requiring reliable, maintenance-free performance.

Specification Summary & Compliance

This thumb screw features precision 1/4"-20 UNC coarse threads with Class 2A fit for consistent performance across mating components. Manufactured from high-strength brass with Rockwell B40 hardness and 50,000 psi tensile strength, it maintains dimensional stability under load. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial and commercial applications worldwide. Right-hand thread direction and full threading along the 2" length provide standardized installation across various assembly requirements.