S-90563A590 M4 Weld Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Reliable welding performance with standard barrel profile ensuring consistent fusion and strong permanent joints
• Precise thread engagement with Class 6H metric thread fit providing secure, vibration-resistant connections
• Optimized load distribution through 18mm round flange base reducing surface pressure and material stress
• Quick assembly efficiency with coarse 0.7mm pitch right-hand threads enabling faster installation
• Enhanced structural integrity with 6.3mm barrel height offering deeper thread engagement for critical applications
• Full regulatory compliance meeting RoHS 3 and REACH standards for global manufacturing requirements

Professional Applications & Engineering Value

This M4 weld nut delivers exceptional value in industrial fabrication where permanent, high-strength threaded points are essential. The zinc-plated steel construction provides reliable corrosion protection for automotive frames, machinery enclosures, and structural assemblies exposed to environmental challenges. The round flange design with 18mm base diameter distributes clamping force effectively, preventing material distortion in thin-gauge applications. With Class 6H thread fit and coarse metric threading, these weld nuts maintain precise alignment during welding operations while ensuring smooth post-weld bolt engagement. The standardized barrel profile and consistent dimensions guarantee repeatable welding results across production runs, reducing rework and improving manufacturing efficiency in automated welding systems.

Specification Summary & Compliance

This metric weld nut features M4 x 0.7mm coarse pitch right-hand threads with Class 6H thread fit per ISO standards, ensuring precise dimensional accuracy and reliable performance. Critical dimensions include 5.3mm barrel diameter, 6.3mm barrel height, and 0.8mm base thickness. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components. Manufacturing follows established metric system specifications for consistent quality and interchangeability in global applications.