S-96966A857 3/8"-16 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Easy hand-tightening operation with a large spade head (13/16" height, 1 3/32" width) for quick assembly and disassembly without tools
• Enhanced corrosion resistance thanks to zinc-plated steel construction, ideal for industrial environments
• Reliable thread engagement with fully threaded UNC coarse threads and Class 2A fit for secure fastening in various materials
• High mechanical strength with 40,000 psi tensile strength and Rockwell B55 hardness for durable performance under load
• Time-saving installation due to right-hand coarse threading, allowing for rapid manual tightening
• Broad compatibility with standard 3/8"-16 UNC components, ensuring easy integration into existing setups
• Environmental compliance with RoHS 3 standards, making it safe for use in regulated industries

Professional Applications & Engineering Value

This zinc-plated steel thumb screw is engineered to address common challenges in industrial and workshop settings, where frequent adjustments and tool-free access are essential. The spade head design provides ample surface area for comfortable hand-tightening, reducing operator fatigue and speeding up maintenance tasks. Made from robust steel with a Rockwell B55 hardness and 40,000 psi tensile strength, it withstands repetitive use and mechanical stress in applications like machinery guards, electrical enclosures, and jig fixtures. The fully threaded UNC coarse threads and Class 2A fit ensure consistent grip and vibration resistance, minimizing loosening in dynamic environments. Ideal for industrial thumb screws in assembly lines or repair shops, it combines durability with user-friendly operation for enhanced productivity.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a Class 2A thread fit for reliable tolerance and UNC coarse threading (3/8"-16 size) with a thread diameter of 0.375". It is manufactured from zinc-plated steel and is fully threaded for uniform performance. Compliance includes RoHS 3 (2015/863/EU), ensuring it meets environmental regulations for hazardous substance restrictions.