S-90594A025 1/4"-20 Weld Nuts

Key Features & Benefits at a Glance

• Superior welding stability with rectangular base design that provides excellent surface contact and prevents rotation during installation
• Reliable thread engagement through Class 1B internal threads ensuring smooth assembly with mating components
• Durable steel construction offering exceptional strength and corrosion resistance for long-term performance in demanding environments
• Optimized barrel dimensions (5/16" diameter × 5/16" height) providing secure weld penetration and structural integrity
• Industry-standard UNC coarse threading (1/4"-20) enabling quick installation and reduced cross-threading risks
• Regulatory compliance assurance with REACH and RoHS 3 certifications for environmentally responsible manufacturing
• Versatile rectangular footprint (3/4" × 1/2" base) distributing load effectively across welded surfaces

Professional Applications & Engineering Value

This rectangular weld nut delivers exceptional value in industrial fabrication where permanent threaded connections are critical. The steel construction combined with UNC coarse threads provides reliable performance in high-vibration environments common in automotive frames, machinery assemblies, and structural steel applications. The standard barrel profile ensures consistent weld penetration while the rectangular base design offers superior anti-rotation properties compared to standard hex nuts. This Class 1B thread fit accommodates minor misalignments during assembly, reducing installation time and improving production efficiency. The combination of right-hand threading and coarse thread spacing makes this weld nut ideal for applications requiring rapid assembly and disassembly of components.

Specification Summary & Compliance

This rectangular weld nut features precision 1/4"-20 UNC coarse threads with Class 1B thread fit per ASME B1.1 standards, ensuring compatibility with standard mating components. The dimensional specifications include 5/16" barrel diameter and 5/16" barrel height with a rectangular base measuring 3/4" length × 1/2" width × 1/16" thickness. The product is manufactured in compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, confirming its suitability for industrial applications requiring regulatory compliance.