S-90772A481 3/8"-16 x 1" Thumb Screws

Key Features & Benefits at a Glance

• Secure, tool-free installation with a wide spade head design for enhanced grip and manual tightening in confined spaces
• Protects sensitive surfaces from scratches and marring thanks to the soft nylon tip that prevents direct metal-to-surface contact
• High-strength, durable performance with a zinc-plated steel body offering 40,000 psi tensile strength and Rockwell B71 hardness for reliable use in demanding environments
• Consistent, reliable threading provided by the UNC coarse thread and Class 2A fit, ensuring easy engagement and strong holding power
• Full-length threading for maximum grip and adjustability along the entire 1-inch length of the screw
• Corrosion-resistant finish from the zinc plating, extending the screw's service life in various industrial conditions
• Compliant with major environmental regulations including RoHS 3 and REACH, making it suitable for global supply chains and regulated industries

Professional Applications & Engineering Value

This 3/8"-16 thumb screw is engineered to solve common assembly challenges where frequent adjustments or tool-less operation is required. The zinc-plated steel construction provides excellent corrosion resistance and the 40,000 psi tensile strength ensures it can withstand significant mechanical stress without failing. The spade head offers a large surface area for comfortable hand-tightening, ideal for applications in electronics enclosures, machinery panels, and automotive components where space for tools is limited. The integrated soft nylon tip is crucial for protecting finished surfaces on delicate equipment, preventing costly damage during installation or maintenance. Its UNC coarse thread and Class 2A thread fit guarantee quick, secure fastening, reducing assembly time and improving operational efficiency in industrial settings.

Specification Summary & Compliance

This thumb screw features a 3/8"-16 UNC coarse thread with a Class 2A thread fit for standard dimensional accuracy and reliable performance. It is fully threaded along its 1-inch length and manufactured from zinc-plated steel. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.