S-96966A856 3/8"-16 x 1 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Tool-free installation and removal with the large spade head design, saving time and reducing equipment needs
• Superior corrosion resistance from the zinc-plated steel construction, extending service life in harsh industrial environments
• High-strength performance with 40,000 psi tensile strength and Rockwell B55 hardness, ensuring reliable load-bearing capacity
• Quick and secure fastening provided by the coarse UNC threads and Class 2A fit, minimizing cross-threading risks
• Maximum grip and engagement from the fully threaded 1 1/2" length, offering versatile application options
• Effortless manual operation with the right-hand thread direction, enabling intuitive tightening for frequent adjustments
• Environmental and regulatory compliance with RoHS 3 standards, making it suitable for global industrial supply chains

Professional Applications & Engineering Value

This zinc-plated steel thumb screw is engineered to address common industrial challenges where frequent access and robust fastening are critical. The spade head and coarse UNC thread design eliminate the need for tools, making it ideal for maintenance panels, machine guards, and electrical enclosures that require regular inspection. The Class 2A thread fit ensures consistent engagement without binding, reducing installation errors and downtime. With a tensile strength of 40,000 psi and Rockwell B55 hardness, it withstands vibrational stresses and repeated use in assembly lines, automotive, and material handling equipment. The fully threaded 1 1/2" length provides uniform clamping force, while the zinc plating offers a protective barrier against oxidation, ensuring long-term reliability in demanding environments.

Specification Summary & Compliance

This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and interchangeability. The manufacturing process ensures consistent 3/8"-16 coarse thread geometry with a right-hand thread direction. It is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming the absence of restricted hazardous substances. The product meets general industry specifications for zinc-plated steel fasteners, providing reliable performance in commercial and industrial applications where regulatory adherence is mandatory.