S-94830A128 1/4"-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 through Flex-Top locking technology, preventing loosening in high-stress environments
- Space-saving thin profile (7/32" height) enables use in confined assemblies without compromising performance
- Reliable coarse threading (UNC 1/4"-20) ensures quick installation and reduced cross-threading risks
- Precision Class 2B thread fit guarantees consistent engagement and optimal clamping force distribution
- Durable steel construction provides excellent strength and corrosion resistance for industrial applications
- External hex drive design allows for standard wrench access and high torque application capability
- Full regulatory compliance with RoHS 3 and REACH standards for safe use across global markets
Professional Applications & Engineering Value
This 1/4"-20 UNC thin Flex-Top locknut addresses critical vibration-induced failure points in industrial machinery, automotive assemblies, and heavy equipment. The steel construction combined with the innovative Flex-Top locking mechanism creates permanent friction against mating threads, maintaining clamp load under extreme dynamic loads. The coarse thread profile and Class 2B fit ensure reliable performance in high-vibration environments where fine threads might fail. The thin hex nut profile (7/32" height) provides design flexibility for space-constrained applications without sacrificing locking performance, making it ideal for right-hand thread assemblies requiring repeated disassembly and reassembly cycles.
Specification Summary & Compliance
This external hex locknut features precise 1/4"-20 UNC coarse threads with Class 2B thread fit per ASME B1.1 standards, ensuring dimensional accuracy and reliable performance. The nut measures 7/16" across flats with a 7/32" height profile. Manufacturing and material compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to international environmental and safety standards for industrial components.
