S-94830A143 1 3/8"-12 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 design that maintains secure fastening in high-motion environments
- Space-saving thin profile enables installation in confined areas where standard nuts won't fit
- Precision Class 2B thread fit ensures smooth engagement and consistent clamping force
- External hex drive compatibility allows for standard wrenching tools and torque control
- Fine UNF thread configuration provides enhanced load distribution and superior resistance to loosening
- Durable steel construction delivers reliable performance in demanding industrial applications
- Environmental compliance meets RoHS 3 and REACH standards for safe industrial usage
Professional Applications & Engineering Value
This 1 3/8"-12 UNF thin flex-top locknut addresses critical vibration-induced loosening challenges in industrial machinery, heavy equipment, and automotive assemblies. The steel construction combined with the flex-top locking mechanism creates permanent friction against mating threads, effectively resisting rotational forces that cause conventional nuts to fail. The thin hex nut profile is particularly valuable in compact designs where space constraints prevent using standard thickness locknuts. With external hex drive compatibility, maintenance teams can apply precise torque using common tools, while the fine UNF threads ensure superior load distribution across more thread contact points. This engineering solution provides reliable performance in vibration-prone applications from conveyor systems to power transmission equipment.
Specification Summary & Compliance
This locknut features Class 2B thread fit per UNF standards with 1 3/8"-12 fine thread specification, ensuring dimensional accuracy and interchangeability. Manufacturing complies with industrial fastener standards for external hex drive configurations and right-hand threading. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, making it suitable for global industrial applications requiring environmental compliance.
