S-90594A029 1/4"-20 Weld Nuts

Key Features & Benefits at a Glance

• Superior welding stability with rectangular base design that provides increased surface contact for secure, permanent fastening
• Exceptional thread reliability through Class 1B thread fit that accommodates minor misalignments while maintaining secure connections
• Optimized for heavy-duty applications with coarse UNC threading that resists vibration loosening and enables quick assembly
• Durable steel construction ensures long-term performance in demanding industrial environments and high-stress applications
• Precision dimensional compatibility with 5/16" barrel diameter and 7/16" height for consistent fit in standard welding applications
• Environmental compliance assurance meeting both REACH and RoHS 3 standards for safe use in regulated industries
• Right-hand thread orientation provides familiar installation for standard assembly processes and tooling

Professional Applications & Engineering Value

This rectangular steel weld nut delivers exceptional value in industrial fabrication and assembly operations where permanent, vibration-resistant fastening is critical. The 1/4"-20 UNC coarse thread configuration combined with Class 1B thread fit addresses common challenges in welded assemblies by accommodating minor alignment variations while maintaining secure connections. The rectangular base design provides superior weld surface area compared to standard hexagonal nuts, distributing stress more effectively across the base material. This weld nut solution is particularly valuable in automotive frames, heavy equipment manufacturing, and structural steel applications where right-hand threading and inch system compatibility streamline production processes. The robust steel construction ensures consistent performance in high-temperature welding environments while maintaining thread integrity throughout the product lifecycle.

Specification Summary & Compliance

This weld nut features precision 1/4"-20 UNC coarse threading with Class 1B thread fit per standard inch system requirements. The dimensional specifications include 5/16" barrel diameter, 7/16" barrel height, and rectangular base dimensions of 3/4" length × 1/2" width with 1/16" thickness. The product maintains compliance with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility while meeting industrial welding standards for permanent fastening applications.