S-94830A137 5/8"-18 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior Vibration Resistance – Flex-Top locking design ensures reliable performance in high-vibration environments, reducing maintenance needs.
- Space-Saving Thin Profile – Lower 13/32" height allows for use in confined spaces without compromising strength.
- Precision Fine Thread Engagement – 5/8"-18 UNF Class 2B threads provide smooth, accurate assembly and enhanced load distribution.
- Durable Steel Construction – High-strength material offers excellent corrosion resistance and long-term reliability in industrial settings.
- Easy External Hex Drive Installation – Standard 15/16" width enables quick, tool-friendly tightening with common wrenches.
- Environmental Compliance Assurance – Meets RoHS 3 and REACH standards, ensuring safe, sustainable use in regulated industries.
- Right-Hand Thread Convenience – Compatible with standard assembly processes for efficient, error-free fastening.
Professional Applications & Engineering Value
This 5/8"-18 UNF thin Flex-Top locknut is engineered to address critical challenges in industrial machinery, automotive assemblies, and heavy equipment where vibration-induced loosening can lead to operational failures. The steel construction combined with the Flex-Top locking mechanism creates consistent friction on the bolt threads, maintaining clamp load under dynamic stresses. Its fine UNF thread and Class 2B fit ensure precise alignment and reduced risk of cross-threading, while the thin profile accommodates design constraints in compact systems. Ideal for vibration-resistant applications, this locknut enhances safety and reduces downtime, providing a reliable external hex drive solution for maintenance and production lines.
Specification Summary & Compliance
This locknut features a 5/8"-18 UNF fine thread with Class 2B thread fit for consistent dimensional accuracy. It adheres to standard inch system measurements and includes a right-hand thread direction. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety, supporting use in global industrial supply chains.
