S-96887A119 M5 DIN 557 Square Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion protection with black zinc plating, extending service life in harsh industrial environments
• Superior thread engagement with Class 7H thread fit ensuring precise, vibration-resistant connections
• High mechanical strength meeting Class 5 requirements for reliable performance under load
• Optimized installation efficiency through external square drive design for secure tool grip
• Standardized compatibility with DIN 557 certification guaranteeing interchangeability
• Robust coarse threading (M5 x 0.8 mm) enabling quick assembly and reduced cross-threading risks
• Stable anti-rotation performance due to square geometry preventing loosening in dynamic applications

Professional Applications & Engineering Value

Engineered for demanding industrial fastening scenarios, this M5 square nut delivers critical reliability where vibration resistance and corrosion protection are paramount. The black zinc-plated steel construction provides superior defense against oxidation in manufacturing equipment, automotive assemblies, and outdoor structures. Its coarse metric thread (0.8 mm pitch) ensures rapid installation while maintaining Class 7H thread fit precision for consistent clamping force. The square profile offers exceptional anti-rotation characteristics when used with channel sections or stamped components, solving common loosening issues in heavy-duty applications. DIN 557 compliance guarantees dimensional consistency across metric fastener systems.

Specification Summary & Compliance

Manufactured to DIN 557 standards with Class 7H thread tolerance and Class 5 strength rating. Metric coarse threading (M5 x 0.8 mm) with right-hand orientation. External square drive (8 mm width) facilitates secure tool engagement. Material composition and black zinc plating comply with RoHS and REACH environmental directives.