S-90572A500 5/16"-18 Weld Nuts
Weld Nuts
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Basic Information
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction for extended service life in harsh environments
- Reliable welding performance through rectangular base design ensuring maximum contact area and secure attachment
- Precision thread engagement with Class 2B fit providing consistent, vibration-resistant fastening in industrial applications
- Optimized coarse threading (UNC 5/16"-18) enabling quick assembly and reduced cross-threading risks
- Standard barrel profile with 25/64" diameter and 3/8" height for compatibility with standard welding equipment and procedures
- Environmental compliance assurance meeting both RoHS 3 and REACH standards for workplace safety and regulatory requirements
- Durable rectangular base (7/8"×9/16"×1/16") providing stable welding surface and enhanced load distribution
Professional Applications & Engineering Value
This 18-8 stainless steel rectangular weld nut delivers exceptional engineering value through its corrosion-resistant composition and optimized welding performance. The rectangular base design significantly increases weld surface area, preventing rotation during installation and ensuring permanent, vibration-resistant fastening in structural applications. With UNC coarse threading and Class 2B thread fit, this weld nut facilitates rapid assembly in manufacturing lines while maintaining precise thread engagement critical for heavy machinery, transportation equipment, and industrial frameworks. The combination of stainless steel material and compliant barrel dimensions makes it ideal for applications requiring durability against moisture, chemicals, and temperature variations without compromising welding efficiency.
Specification Summary & Compliance
This weld nut maintains Class 2B thread fit tolerance per UNC standards with precise 5/16"-18 coarse threading. Manufacturing conforms to inch system specifications including 25/64" barrel diameter and 3/8" barrel height. The product is fully REACH compliant (EC 1907/2006) and meets RoHS 3 (2015/863/EU) environmental directives, ensuring regulatory compliance for industrial use across global markets.
