S-90673A107 7/16"-14 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 thread top lock design, preventing loosening in high-stress environments
- Enhanced corrosion protection with black-oxide steel coating, extending service life in demanding industrial conditions
- Reliable Grade 5 strength classification ensuring consistent performance under heavy loads and mechanical stress
- Quick installation efficiency with standard external hex drive and coarse UNC threading for faster assembly
- Precision thread compatibility with Class 2B fit, maintaining secure connections while allowing smooth engagement
- Right-hand thread orientation providing familiar installation for standard industrial applications
- Comprehensive regulatory compliance meeting REACH and RoHS 3 standards for safe industrial usage
Professional Applications & Engineering Value
This Grade 5 Black-Oxide Steel Locknut addresses critical vibration-induced failure points in industrial machinery, automotive assemblies, and heavy equipment. The distorted thread top lock technology creates consistent interference fit without requiring additional locking components, simplifying inventory while maintaining vibration-resistant performance. The coarse UNC 7/16"-14 threading ensures rapid installation in time-sensitive manufacturing environments, while the black-oxide surface treatment provides essential corrosion protection in humid or chemically exposed applications. Engineered for heavy-duty industrial use, this external hex locknut maintains clamping force integrity through thermal cycling and dynamic loading conditions common in construction equipment, agricultural machinery, and transportation systems.
Specification Summary & Compliance
Manufactured to precise Class 2B thread fit standards with UNC coarse threading (7/16"-14) and standard hex profile (11/16" width). Compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations. The Grade 5 strength classification ensures mechanical properties meet industrial requirements for distorted thread locking nuts in right-hand thread configuration with top lock distortion type.
