S-93005A130 3/8"-16 x 2 1/16" Thumb Screws

Key Features & Benefits at a Glance

• High-strength performance with 70,000 PSI tensile strength and Rockwell C40 hardness for reliable, long-lasting fastening in demanding environments.
• Effortless manual operation thanks to the four-arm aluminum head design, providing a secure grip without requiring tools for quick adjustments.
• Durable corrosion resistance from the black-oxide steel finish, extending service life in industrial settings with exposure to moisture or wear.
• Precise thread engagement with UNC coarse threads and Class 2A fit, ensuring smooth installation and consistent clamping force.
• Versatile partial threading allowing for adjustable positioning and secure holds in a variety of assembly applications.
• Extended tip design for easier alignment and insertion, reducing installation time and improving assembly accuracy.
• Compliant with environmental standards including RoHS 3, meeting regulatory requirements for safe and sustainable use.

Professional Applications & Engineering Value

This black-oxide steel thumb screw is engineered to address common industrial fastening challenges, such as frequent adjustments and exposure to harsh conditions. The four-arm aluminum head offers superior grip and torque application without tools, ideal for machinery panels, electronic enclosures, and prototyping setups where quick access is essential. The UNC coarse threads and Class 2A thread fit provide reliable engagement in materials like metal and plastic, reducing cross-threading risks. With a partially threaded design and extended tip, it simplifies alignment in tight spaces, enhancing efficiency in assembly lines and maintenance tasks. Built for heavy-duty applications, this screw ensures consistent performance under high stress, making it a dependable choice for OEMs and MRO professionals.

Specification Summary & Compliance

This thumb screw adheres to precise dimensional standards, including a 3/8"-16 UNC thread size with Class 2A thread fit for consistent accuracy. It meets manufacturing specifications for inch-system fasteners and is RoHS 3 (2015/863/EU) compliant under exemption 6(a)-I for lead as an alloying element in steel, ensuring environmental safety without compromising mechanical integrity.