S-90623A190 1/2"-20 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 with two-piece clamp locking design that maintains secure fastening under dynamic loads
- Precise thread engagement with Class 2B thread fit ensuring reliable performance in demanding applications
- Enhanced torque transmission through standard external hex drive profile for easy installation with common tools
- Durable steel construction providing excellent strength and longevity in industrial environments
- Fine thread spacing (UNF) offering improved load distribution and reduced loosening tendency
- Right-hand thread direction compatible with standard assembly procedures and equipment
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use across various industries
Professional Applications & Engineering Value
This 1/2"-20 UNF steel locknut with two-piece clamp locking technology addresses critical vibration-induced loosening challenges in heavy machinery, automotive assemblies, and industrial equipment. The fine thread spacing and Class 2B thread fit create optimal clamping force distribution, while the external hex drive ensures straightforward installation and removal. Manufactured from high-grade steel, this locknut maintains integrity under extreme conditions, making it ideal for applications where vibration resistance and long-term reliability are paramount. The standardized 3/4" hex profile and 41/64" height provide compatibility with existing tooling and space constraints.
Specification Summary & Compliance
This locknut features 1/2"-20 UNF fine threads with Class 2B thread fit tolerance, ensuring precise engagement and reliable performance. The standard hex profile measures 3/4" across flats with a total height of 41/64". Manufactured to industry standards for external hex drive locknuts, the product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications requiring compliant fastening solutions.
