S-91510A112 8-32 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Easy manual operation with convenient wing head design that eliminates the need for tools
• Superior corrosion resistance through zinc-plated steel construction for extended service life
• Reliable thread engagement with Class 2A thread fit ensuring consistent performance
• Quick installation thanks to coarse UNC threads that provide faster assembly
• Maximum grip surface from the 0.4" head diameter and fully threaded design
• Environmental compliance meeting RoHS 3 and REACH standards for safe usage
• Versatile right-hand threading compatible with standard industrial applications

Professional Applications & Engineering Value

This 8-32 UNC thumb screw delivers exceptional value in applications requiring frequent adjustments or tool-free operation. The zinc-plated steel construction provides durable corrosion protection in industrial environments, while the wing head design offers superior manual grip for quick assembly and disassembly. The coarse thread spacing ensures rapid installation without cross-threading concerns, making it ideal for electronic enclosures, machinery panels, and equipment maintenance where manual thumb screw operation is preferred. The fully threaded right-hand design maintains consistent holding power across the entire 3/8" length, solving common challenges with partial-thread fasteners in precision applications.

Specification Summary & Compliance

This thumb screw features Class 2A thread fit per UNC standards with precise dimensional tolerances including head diameter of 0.4" (±0.06") and length of 3/8". Manufactured with coarse thread spacing and right-hand threading, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial and commercial applications.