S-90630A203 1 1/8"-7 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking technology that maintains secure fastening in high-stress environments
- Exceptional temperature performance with nylon insert rated for continuous operation up to 220°F without compromising locking capability
- Heavy-duty strength reliability from Grade 8 steel construction, providing maximum load-bearing capacity for critical applications
- Optimal thread engagement with coarse UNC threads and Class 2B fit ensuring smooth installation and superior holding power
- Industry-standard compatibility with standard 1 5/8" external hex drive for easy installation using common tools
- Enhanced safety compliance meeting both REACH and RoHS 3 environmental regulations for industrial use
- Right-hand thread design for standard installation procedures and compatibility with conventional threaded components
Professional Applications & Engineering Value
This Grade 8 steel locknut with nylon insert technology addresses critical vibration-induced loosening challenges in heavy machinery, automotive assemblies, and industrial equipment. The coarse UNC thread profile combined with Class 2B thread fit ensures reliable performance in high-vibration environments where standard fasteners typically fail. Engineered for heavy-duty applications, the external hex design provides superior torque transmission while the temperature-resistant nylon insert maintains consistent locking force up to 220°F. This combination of vibration-resistant features and industrial-grade materials makes it ideal for construction equipment, manufacturing machinery, and transportation systems where safety and reliability are paramount concerns.
Specification Summary & Compliance
This locknut features precise 1 1/8"-7 UNC coarse threads with Class 2B thread fit for optimal engagement and holding power. Manufactured from high-strength Grade 8 steel with standard external hex drive (1 5/8" width) and right-hand thread orientation. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) standards, ensuring environmental responsibility and industrial safety compliance for professional applications.
