S-94855A285 1/2"-13 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from zinc-plated steel construction, extending service life in harsh industrial environments.
• High-strength durability for heavy-duty applications, ensuring reliable performance under substantial loads.
• Easy installation and removal with external square drive design, allowing for quick assembly with standard tools.
• Secure and precise fit with Class 2B thread fit, minimizing the risk of loosening in vibrating machinery.
• Wide compatibility with 1/2"-13 UNC coarse threads, commonly used in construction and automotive sectors.
• Environmental compliance assurance meeting RoHS 3 and REACH standards, supporting sustainable procurement policies.
• Stable mounting due to the 13/16" square width, preventing rotation during torque application.

Professional Applications & Engineering Value

This 1/2"-13 UNC square nut is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in demanding settings. Crafted from zinc-plated steel, it provides a robust barrier against moisture and chemicals, reducing maintenance needs in construction, machinery, and automotive assemblies. The coarse thread spacing and Class 2B thread fit ensure a reliable, easy-to-install connection that withstands high stress, while the external square drive facilitates efficient tool engagement. Ideal for applications requiring heavy-duty fasteners with consistent performance and regulatory adherence, this nut enhances operational safety and longevity.

Specification Summary & Compliance

This square nut features a 1/2"-13 UNC coarse thread with Class 2B thread fit for standard tolerance, ensuring dimensional accuracy and interchangeability. It adheres to industry specifications for inch-system fasteners and is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for environmental and health standards in global supply chains.