S-99183A130 M8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision distorted top lock threads that maintain clamp force in high-stress environments
• Exceptional mechanical strength with Class 10 rating ensuring reliable performance under heavy loads and extreme conditions
• Enhanced corrosion protection from zinc-plated steel construction, extending service life in industrial applications
• Secure thread engagement with Class 6H thread fit providing consistent locking performance and installation reliability
• Industry-standard compatibility with metric coarse thread (M8x1.25mm) for easy integration into existing assemblies
• Easy installation and removal using standard external hex drive tools while maintaining locking integrity
• Environmental compliance assurance with RoHS 3 certification for safe use across regulated industries

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this M8 distorted thread locknut delivers critical vibration resistance where traditional fasteners fail. The zinc-plated steel construction provides dual protection against corrosion and mechanical stress, while the top lock distorted thread design creates consistent friction along the mating bolt threads, preventing loosening under dynamic loads. Ideal for heavy machinery, automotive assemblies, and construction equipment, this Class 10 strength locknut maintains clamp force in high-vibration applications, reducing maintenance frequency and preventing costly downtime. The metric coarse thread configuration ensures compatibility with standard industrial components, making it a versatile solution for OEM and MRO requirements across multiple sectors.

Specification Summary & Compliance

This M8x1.25mm coarse thread locknut features precise Class 6H thread fit tolerances and distorted top lock thread technology for secure fastening. Manufactured to metric standards with 13mm width and 8mm height dimensions, it delivers consistent performance in industrial applications. The product is fully RoHS 3 (2015/863/EU) compliant and meets Class 10 mechanical strength requirements for reliable operation in demanding environments.