S-99183A330 M20 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through precision distorted thread technology that maintains clamping force under extreme conditions
- Exceptional corrosion protection with zinc yellow-chromate plating that withstands harsh industrial environments
- High-strength performance with Class 10 rating ensuring reliable performance in heavy-duty applications
- Easy installation and removal with standard external hex drive compatible with common tools
- Precise thread engagement with Class 6H thread fit providing consistent, reliable fastening
- Reusable locking capability through top lock distorted thread design that maintains effectiveness after multiple installations
- Optimal material strength using steel construction balanced with protective plating for durability
Professional Applications & Engineering Value
This M20x2.5 Class 10 metric locknut delivers critical vibration resistance where conventional fasteners fail. The distorted thread technology creates consistent interference that prevents loosening under dynamic loads, making it ideal for heavy machinery, automotive assemblies, and industrial equipment subjected to constant vibration. The zinc yellow-chromate plating provides superior corrosion resistance, extending service life in demanding environments while maintaining the Class 10 strength rating required for high-stress applications. The external hex drive ensures straightforward installation with standard tools, reducing assembly time while the coarse thread pitch facilitates quick engagement in production environments.
Specification Summary & Compliance
This locknut features M20x2.5 coarse metric threads with Class 6H thread fit tolerance for precision engagement. The distorted thread locking mechanism conforms to industrial vibration resistance standards while the zinc yellow-chromate plating meets corrosion protection requirements. Manufactured to Class 10 strength classification with standard 30mm width and 20mm height dimensions. Complies with relevant metric fastener standards and industrial specifications for heavy-duty applications.
