S-92018A540 1/2"-13 Flange Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance with a reliable nylon insert that prevents loosening under dynamic loads
• High-temperature durability with the nylon insert rated for up to 250°F, ensuring consistent performance in demanding environments
• Enhanced corrosion protection from zinc yellow-chromate plating, extending service life in harsh industrial settings
• Easy installation and removal thanks to the external hex drive and UNC coarse threading for quick assembly
• Secure and precise fit with Class 2B thread tolerance, reducing the risk of cross-threading and improving reliability
• Robust load distribution from the integrated flange design, minimizing surface damage and increasing joint integrity
• Heavy-duty strength meeting Grade G specifications, ideal for high-stress applications in machinery and equipment

Professional Applications & Engineering Value

This Grade G flange lock nut with a nylon insert is engineered to address common industrial challenges like vibration-induced loosening and thermal cycling. Made from zinc yellow-chromate plated steel, it offers excellent corrosion resistance, making it suitable for outdoor or humid environments. The UNC coarse thread and Class 2B fit ensure quick, accurate installation with standard tools, reducing assembly time and errors. Ideal for heavy-duty applications in automotive, construction, and machinery, this nut maintains clamping force under stress, enhancing safety and reducing maintenance needs. The flange design distributes pressure evenly, protecting surfaces and prolonging the life of connected components.

Specification Summary & Compliance

This flange lock nut features precise UNC 1/2"-13 coarse threads with a Class 2B fit for consistent engagement. It complies with standard dimensional and performance specifications, including Grade G strength requirements. The product adheres to industry norms for materials and plating, with compatibility for general industrial use. While specific certifications like RoHS or REACH are not detailed, the zinc plating and steel material align with common environmental and safety guidelines for industrial fasteners.