S-99183A790 M8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with top lock distorted thread design that maintains clamp force in high-stress environments
• Exceptional corrosion protection through zinc yellow-chromate plating that withstands harsh industrial conditions
• High-strength performance with Class 10 rating ensuring reliable fastening in critical applications
• Precision thread engagement with Class 6H thread fit providing consistent, secure locking action
• Easy installation and removal using standard 13mm external hex drive for efficient maintenance
• Optimized for fine thread applications with M8x1mm metric threading offering enhanced load distribution
• Durable construction from steel material ensuring long-term reliability in demanding environments

Professional Applications & Engineering Value

This M8 locknut with top lock distorted thread technology addresses critical vibration-induced loosening challenges in industrial and automotive systems. The engineered distortion creates consistent prevailing torque that maintains secure fastening under dynamic loads and temperature variations. Manufactured from zinc yellow-chromate-plated steel, it provides superior corrosion resistance in exposed environments while maintaining the Class 10 strength rating required for high-stress applications. The fine metric threading (M8x1mm) ensures precise engagement with mating components, making it ideal for machinery, engine assemblies, and precision equipment where vibration resistance and reliable performance are non-negotiable. The combination of distorted thread locking and corrosion-resistant plating delivers extended service life while reducing maintenance frequency in demanding industrial settings.

Specification Summary & Compliance

This metric locknut features M8x1mm fine threading with Class 6H thread fit tolerance, ensuring precise engagement and consistent performance. The external hex drive measures 13mm across flats with an 8mm height profile. Manufactured to meet industry standards for Class 10 strength classification, this component complies with relevant metric fastener specifications and is produced using zinc yellow-chromate-plated steel that meets RoHS and REACH environmental compliance requirements for industrial applications.