S-98697A550 5/16"-18 Weld Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Secure and stable welding performance thanks to the rectangular base with 2 precision projections, preventing rotation during installation.
• Space-saving low barrel profile allows for use in tight or confined assembly spaces without compromising strength.
• Reliable and easy threading with Class 2B coarse UNC threads, ensuring quick assembly and reduced cross-threading risk.
• Optimized for 3/8" holes for precise fit and alignment, minimizing installation time and errors.
• Compliance with stringent environmental standards including REACH and RoHS 3, ensuring safety and regulatory adherence.
• Durable and long-lasting performance in heavy-duty applications, reducing maintenance needs and replacement costs.

Professional Applications & Engineering Value

This low profile rectangular weld nut is engineered to solve common challenges in industrial assembly, such as space constraints and corrosion-induced failures. Made from 18-8 Stainless Steel, it provides superior resistance to rust and chemicals, making it ideal for automotive, machinery, and structural welding applications. The rectangular shape and two weld projections ensure a firm, non-rotational grip on surfaces, while the coarse UNC thread and Class 2B fit facilitate quick and secure fastening. Its design minimizes the risk of loosening under vibration, offering reliable performance in demanding environments like construction and manufacturing, where durability and precision are critical.

Specification Summary & Compliance

This weld nut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Key specifications include a barrel diameter of 23/64", base dimensions of 63/64" length and 5/8" width, and compatibility with 3/8" diameter holes, providing reliable performance in industrial fastener systems.