S-90673A105 5/8"-11 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
- Exceptional strength and durability with Grade 5 steel construction, capable of withstanding heavy loads and extreme conditions
- Reliable thread engagement with Class 2B thread fit, ensuring precise mating with mating components
- Enhanced corrosion protection from black-oxide coating, extending service life in industrial settings
- Easy installation and removal with standard 15/16" external hex drive, compatible with common tools
- Industry-standard compatibility with 5/8"-11 UNC coarse threads, suitable for various industrial assemblies
- Environmental compliance assurance meeting REACH and RoHS 3 standards for safe industrial use
Professional Applications & Engineering Value
This Grade 5 steel locknut with distorted thread top lock technology addresses critical vibration-induced failure points in industrial machinery, automotive assemblies, and heavy equipment. The black-oxide surface treatment provides essential corrosion resistance while maintaining dimensional stability under thermal cycling. Engineered with UNC coarse threads and Class 2B thread fit, this external hex locknut delivers reliable performance in high-vibration applications where standard fasteners would fail. The 5/8"-11 thread size combined with the top lock distorted thread design creates permanent locking action without requiring additional locking components, simplifying assembly while reducing maintenance costs in industrial applications.
Specification Summary & Compliance
This heavy-duty locknut features 5/8"-11 UNC coarse threads with Class 2B thread fit tolerance, manufactured from Grade 5 steel with black-oxide coating. The external hex drive measures 15/16" across flats with a 5/8" height. The product complies with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and workplace safety standards.
