S-90636A124 1/2"-13 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through center lock distorted thread design, preventing loosening under dynamic loads
- Exceptional strength and durability with Grade 8 classification, suitable for high-stress industrial applications
- Enhanced corrosion protection from zinc-flake coating, extending service life in harsh environments
- Reliable coarse threading with UNC 1/2"-13 specification and Class 2B fit for quick assembly and secure fastening
- Standard external hex drive allowing for easy installation using common tools with 3/4" width for optimal torque transfer
- Compliance with environmental regulations including REACH and RoHS 3, ensuring safe usage in regulated industries
- Right-hand thread direction providing familiar installation for standard applications with consistent performance
Professional Applications & Engineering Value
This Grade 8 locknut delivers critical vibration resistance in demanding industrial environments where mechanical stability is paramount. The zinc-flake-coated steel construction provides superior corrosion protection while maintaining the high tensile strength required for heavy machinery, automotive assemblies, and structural applications. The center lock distorted thread design creates consistent interference along the mating bolt threads, effectively resisting loosening from vibration and thermal cycling. With UNC coarse threading and Class 2B thread fit, this external hex locknut ensures rapid installation and reliable performance in high-vibration equipment, construction machinery, and transportation systems where fastener failure is not an option.
Specification Summary & Compliance
This locknut features precise Class 2B thread fit with 1/2"-13 UNC coarse threading and right-hand thread direction. Manufacturing complies with standard dimensional requirements for external hex drive locknuts measuring 3/4" width and 7/16" height. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
