S-99183A420 M18 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 distorted top-lock threads that maintain secure fastening under extreme conditions
- Heavy-duty performance with Class 10 strength rating, ensuring reliable operation in high-stress industrial applications
- Enhanced corrosion protection from zinc-plated steel construction, extending service life in harsh environments
- Precise fine thread engagement with 1.5mm metric pitch and Class 6H thread fit for optimal load distribution
- Easy installation and removal using standard external hex drive compatible with common wrench tools
- Environmental compliance with RoHS 3 standards, meeting international safety regulations
- Dimensional consistency with 27mm width and 18mm height for reliable interchangeability in assembly processes
Professional Applications & Engineering Value
This M18 locknut with distorted thread locking technology provides critical vibration resistance in demanding industrial environments where constant motion and dynamic loads threaten fastener integrity. The zinc-plated steel construction offers excellent corrosion protection while maintaining the Class 10 strength rating required for heavy machinery, automotive assemblies, and structural applications. The 1.5mm fine metric thread ensures superior clamping force distribution and prevents loosening under cyclic loading conditions. Engineered with Class 6H thread fit precision, these locknuts deliver consistent performance in manufacturing equipment, transportation systems, and construction machinery where safety and reliability are paramount. The external hex drive design facilitates quick installation and maintenance while the top-lock distorted thread mechanism eliminates the need for additional locking components.
Specification Summary & Compliance
Manufactured to precise metric fine thread specifications with M18 x 1.5mm dimensions and Class 6H thread fit tolerance. Features right-hand thread direction and external hex drive with 27mm width and 18mm height. Constructed from zinc-plated steel with Class 10 strength rating. Compliant with RoHS 3 (2015/863/EU) environmental standards for safe industrial use.
