S-92625A129 1/2"-13 x 3" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening and removal with a wide 2 1/4" wing head design, eliminating the need for tools in frequent adjustment applications.
• Superior corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in humid or harsh industrial environments.
• Robust and reliable coarse threading with 1/2"-13 UNC and Class 2A fit for quick assembly and strong holding power in a variety of materials.
• Full 3-inch thread engagement offers maximum grip and stability for securing components in deep or wide assemblies.
• Compliance with stringent environmental standards as it is REACH (EC 1907/2006) compliant, making it suitable for regulated industries.
• Durable and reusable construction from high-quality stainless steel, providing excellent value over multiple use cycles.
• Right-hand thread direction ensures intuitive, standard installation for operators, reducing assembly errors.

Professional Applications & Engineering Value

This heavy-duty thumb screw is engineered to solve common industrial fastening challenges where tool-less operation, corrosion resistance, and high strength are critical. The 18-8 Stainless Steel material offers excellent durability against rust and chemical exposure, making it ideal for applications in machinery, electrical enclosures, and outdoor equipment. The 2 1/4" wing head provides a secure, ergonomic grip for quick adjustments, while the 1/2"-13 UNC coarse thread ensures fast installation and reliable performance in wood, metal, or plastic assemblies. Its fully threaded 3-inch length allows for versatile use in deep-set or variable thickness applications, reducing inventory needs for multiple screw sizes. This design is perfect for maintenance panels, clamping devices, and other industrial thumb screw uses requiring frequent access and robust, REACH compliant fastening.

Specification Summary & Compliance

This thumb screw features a Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. It is manufactured from 18-8 Stainless Steel with a wing head shape, right-hand thread direction, and coarse thread spacing. The product is fully compliant with REACH (EC 1907/2006) regulations, confirming it meets environmental and safety standards for hazardous substances, and adheres to common industrial specifications for reliable performance.