S-93825A250 M8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through integrated external-tooth lock washer that bites into mating surfaces for reliable anti-loosening performance
• Exceptional durability with Class 8 strength rating, ensuring maximum holding power in demanding industrial applications
• Enhanced corrosion protection from black zinc plating that extends service life in harsh environments
• Precise thread engagement with Class 6H thread fit and M8x1.25mm coarse thread for quick installation and secure fastening
• Optimized torque transmission through standard 13mm hex profile that prevents tool slippage during installation
• Comprehensive material compatibility with steel lock washer and plated steel construction for versatile industrial use
• Regulatory compliance assurance with RoHS 3 certification for environmentally responsible manufacturing

Professional Applications & Engineering Value

This Class 8 M8 locknut with external-tooth lock washer addresses critical vibration-induced loosening challenges in heavy machinery, automotive assemblies, and structural frameworks. The black zinc plated steel construction provides essential corrosion resistance while maintaining the metric coarse thread's (M8x1.25mm) rapid assembly advantages. The integrated steel lock washer creates permanent surface engagement, eliminating the need for additional locking components and reducing installation time. Engineered for high-vibration environments, this solution prevents catastrophic fastener failure in applications where constant motion and stress would compromise standard fasteners, ensuring operational safety and reducing maintenance frequency across industrial equipment and transportation systems.

Specification Summary & Compliance

This heavy-duty metric locknut features precise M8x1.25mm coarse threads with Class 6H thread fit tolerance, ensuring consistent engagement across standardized components. The assembly maintains dimensional accuracy with 13mm width and 8.5mm height profiles. Manufactured in compliance with RoHS 3 (2015/863/EU) environmental standards, this Class 8 strength rated fastener meets rigorous industrial requirements for vibration-resistant applications where reliable locking performance is critical to operational safety and equipment longevity.