S-99183A380 M12 Locknuts
Locknuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance through distorted top-lock threads that maintain clamping force in high-stress environments
- Exceptional strength and reliability with Class 10 strength rating for heavy-duty industrial applications
- Enhanced corrosion protection with zinc-plated steel construction for extended service life
- Precise metric fine threading (M12x1.25mm) ensures secure fit and optimal load distribution
- Easy installation and removal with standard external hex drive design using common tools
- Consistent performance with Class 6H thread fit for reliable, repeatable fastening
- Environmental compliance meeting RoHS 3 standards for safe industrial use
Professional Applications & Engineering Value
This Class 10 zinc-plated steel locknut delivers critical vibration resistance where conventional fasteners fail. The distorted top-lock thread design creates permanent friction that prevents loosening under extreme dynamic loads, making it ideal for heavy machinery, automotive assemblies, and industrial equipment subjected to constant vibration. The metric fine thread configuration (M12x1.25mm) provides superior thread engagement and load distribution compared to coarse threads, while the external hex drive ensures compatibility with standard tools for efficient maintenance. Engineered for high-stress applications, this locknut maintains its locking capability through multiple installation cycles without compromising performance.
Specification Summary & Compliance
This heavy-duty locknut features M12x1.25mm fine metric threading with Class 6H thread fit tolerance for precision engagement. The standard hex profile measures 19mm across flats with 12mm height, conforming to metric dimensional standards. Manufactured from zinc-plated steel with Class 10 strength rating, the nut utilizes distorted top-lock thread technology for reliable vibration resistance. The product is RoHS 3 (2015/863/EU) compliant and meets industrial safety standards for environmental responsibility.
