S-94581A136 1/4"-28 Weld Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh industrial environments.
• Enhanced welding stability due to the rectangular base design, providing a larger surface area for secure, permanent attachments.
• Space-saving low barrel profile allows for installation in tight clearance applications without compromising structural integrity.
• Precise Class 2B thread fit guarantees smooth, reliable engagement with mating components, reducing assembly time and risk of cross-threading.
• Fine UNF thread design offers superior vibration resistance and improved load distribution compared to coarse threads.
• Compliance with REACH and RoHS 3 ensures environmental safety and meets stringent international regulatory standards for industrial use.
• Optimized for 5/16" hole diameter for quick, accurate alignment during the welding process, streamlining production workflows.

Professional Applications & Engineering Value

This low profile rectangular weld nut is engineered to solve critical challenges in manufacturing and heavy-duty assembly. The 18-8 Stainless Steel material provides exceptional resistance to rust and chemical exposure, making it ideal for automotive frames, machinery enclosures, and outdoor equipment where corrosion resistance is paramount. Its rectangular shape and low barrel profile maximize weld contact area while minimizing protrusion, preventing interference in compact designs. The 1/4"-28 UNF fine threads with Class 2B fit ensure consistent, high-strength connections that withstand vibration and dynamic loads. By integrating this component, engineers achieve reliable, permanent fastening in welding applications, reducing maintenance needs and enhancing product lifespan.

Specification Summary & Compliance

This weld nut adheres to UNF thread standards with a Class 2B thread fit for precise dimensional accuracy. Key specifications include a barrel diameter of 19/64", barrel height of 1/16", and base dimensions of 13/16" x 1/2" x 1/8". It is designed for use with a 5/16" hole diameter and features right-hand thread direction. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it meets environmental and safety requirements for industrial fasteners.