S-90079A632 3/8"-16 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Superior grip and torque application with knurled head texture for secure manual tightening without tools
• Enhanced corrosion resistance through black-oxide steel finish for extended service life in industrial environments
• Quick installation and precise positioning with extended tip design that guides screw into mating components
• Reliable thread engagement with UNC coarse threads and Class 2A fit ensuring consistent fastening performance
• Low-profile round head design provides clearance in confined spaces while maintaining ample turning surface
• Environmental compliance assurance with RoHS 3 certification meeting international regulatory standards
• Versatile partial threading allows for both secure clamping and adjustable positioning applications

Professional Applications & Engineering Value

This black-oxide steel thumb screw delivers exceptional value in industrial settings where frequent adjustments and tool-free operation are critical. The knurled head provides positive grip even with oily hands or gloves, reducing installation time and improving operator safety. The 3/8"-16 UNC coarse thread configuration ensures rapid engagement and disengagement in soft materials or when dealing with misaligned components. The extended tip serves as a pilot for precise alignment, preventing cross-threading damage in sensitive equipment. Ideal for access panels, machine guards, and frequently adjusted fixtures, this RoHS 3 compliant thumb screw combines mechanical reliability with environmental responsibility for modern manufacturing environments.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance for consistent performance. Features UNC coarse threads (3/8"-16) with right-hand direction and partial threading configuration. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel. The black-oxide surface treatment provides corrosion protection while maintaining dimensional integrity across the 2" length and 1 1/4" head diameter specifications.