S-90594A430 5/16"-18 Weld Nuts

Key Features & Benefits at a Glance

• Superior welding integrity with a standard barrel profile that ensures consistent penetration and strong, reliable bonds in industrial applications
• Exceptional thread compatibility with 5/16"-18 UNC coarse threads and Class 1B fit for easy assembly and reduced cross-threading risks
• Robust rectangular base design providing increased surface contact for enhanced stability and load distribution in welded structures
• Durable steel construction offering high tensile strength and corrosion resistance for long-lasting performance in demanding environments
• Right-hand thread orientation ensuring standard installation compatibility and efficient fastening operations
• Compliance with environmental standards including REACH and RoHS 3, making it suitable for regulated industrial sectors
• Optimized dimensions (3/8" barrel diameter, 5/8" height) allowing for versatile application across various welding setups and space constraints

Professional Applications & Engineering Value

This rectangular weld nut delivers critical engineering value in industrial fabrication and structural assembly applications. The steel construction provides exceptional durability against vibration and mechanical stress, while the rectangular base offers superior welding surface area compared to standard shapes, preventing rotation during installation. The 5/16"-18 UNC coarse thread with Class 1B fit ensures reliable engagement with mating components, reducing assembly time and minimizing thread damage in high-volume production environments. Particularly valuable in automotive frames, machinery manufacturing, and structural steelwork, this weld nut solves common challenges of loose fasteners and alignment issues through its precision barrel profile and consistent welding performance.

Specification Summary & Compliance

This rectangular weld nut maintains precise dimensional accuracy with a 3/8" barrel diameter, 5/8" barrel height, and rectangular base measuring 7/8" length × 9/16" width. The threading system adheres to UNC standards with 5/16"-18 coarse spacing and Class 1B thread fit for commercial applications. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring material safety and regulatory compliance for industrial use across global markets.