S-93337A400 M3 DIN 929 Weld Nuts

Key Features & Benefits at a Glance

• Superior Welding Reliability: Hex shape and 4.5 mm collar diameter ensure stable positioning and strong weld integrity, reducing assembly time and rework.
• High Thread Accuracy: Class 6H thread fit provides consistent, secure fastening with minimal risk of cross-threading or loosening under vibration.
• Robust Material Durability: Made from high-quality steel, offering excellent strength and corrosion resistance for long-lasting performance in harsh environments.
• Standardized Compliance: Fully compliant with DIN 929 standards, ensuring interchangeability and reliability across industrial applications.
• Easy Installation: Coarse 0.5 mm pitch and right-hand metric threading enable quick, straightforward assembly with standard tools.
• Environmental Safety: RoHS 3 (2015/863/EU) compliant, meeting strict regulations for hazardous substance-free manufacturing.
• Optimized Hole Fit: Designed for precise 4.5 mm mounting holes, minimizing misalignment and enhancing structural stability.

Professional Applications & Engineering Value

This M3 metric steel weld nut is engineered to address common challenges in welding and fabrication, such as thread stripping and poor alignment. Its hex weld nut design with a 4.5 mm collar provides a larger contact area, distributing stress evenly and preventing rotation during welding—critical for automotive chassis and industrial machinery frames. The Class 6H thread fit and coarse 0.5 mm pitch ensure rapid, reliable fastening even in high-vibration settings, while DIN 929 compliance guarantees dimensional consistency for seamless integration. Made from durable steel and featuring right-hand metric threading, it simplifies maintenance and reduces downtime in assembly lines, making it a cost-effective solution for robust, repeatable performance.

Specification Summary & Compliance

This weld nut adheres to DIN 929 specifications, with precise dimensions including a 4.5 mm collar diameter, 0.55 mm collar height, and M3 x 0.5 mm coarse thread in a Class 6H thread fit for metric applications. It meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances, and is designed for use with 4.5 mm diameter holes to maintain alignment and structural integrity in welded assemblies.