S-90594A440 5/16"-18 Weld Nuts

Key Features & Benefits at a Glance

• Superior welding performance with rectangular base design for enhanced stability and reduced weld spatter during installation
• Exceptional material durability provided by high-quality steel construction ensuring long-term reliability in demanding industrial environments
• Optimized barrel dimensions (3/8" diameter, 7/8" height) enabling secure fitment and improved alignment in assembly applications
• Precision threading compatibility with 5/16"-18 UNC coarse thread and Class 1B fit for smooth engagement and reduced cross-threading risks
• Right-hand thread orientation facilitating standard installation procedures and compatibility with common industrial equipment
• Regulatory compliance assurance meeting both RoHS 3 and REACH standards for environmental safety and international market acceptance
• Versatile base geometry (7/8" length × 9/16" width) providing substantial welding surface area for strong, permanent connections

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this rectangular weld nut addresses critical challenges in metal fabrication and structural assembly. The steel construction delivers consistent performance under thermal stress during welding operations, while the rectangular base design with 1/16" thickness ensures optimal heat distribution and minimizes warping. The 5/16"-18 UNC coarse thread configuration provides excellent engagement in materials where fine threads might strip or fail, making it ideal for structural frameworks, machinery mounts, and automotive assemblies. The Class 1B thread fit guarantees reliable performance in high-vibration environments where maintaining fastener integrity is paramount to operational safety and equipment longevity.

Specification Summary & Compliance

This weld nut maintains Class 1B thread fit per UNC standards with right-hand coarse threading (5/16"-18). Critical dimensions include 3/8" barrel diameter and 7/8" barrel height with rectangular base measurements of 7/8" length × 9/16" width × 1/16" thickness. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and global market suitability for industrial welding applications.