S-90675A265 1/2"-13 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
Washer Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through integrated external-tooth lock washer system that maintains clamping force in high-stress applications
- Enhanced corrosion protection with zinc-plated steel construction for extended service life in demanding industrial environments
- Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
- Standard UNC coarse threading (1/2"-13) provides excellent resistance to loosening under dynamic loads
- Heavy-duty construction with 3/4" hex profile and 31/64" height for optimal torque transmission and structural integrity
- External hex drive design enables quick installation and removal with common wrench tools
- Compliance with environmental regulations including REACH and RoHS 3 for global manufacturing applications
Professional Applications & Engineering Value
This heavy-duty locknut addresses critical vibration-induced loosening challenges in industrial machinery, construction equipment, and automotive assemblies. The zinc-plated steel construction combined with the external-tooth lock washer system creates a permanent locking mechanism that withstands extreme operational conditions. The UNC coarse thread profile ensures rapid installation while maintaining secure fastening in high-vibration environments. Engineered for industrial applications requiring reliable, long-term fastening solutions, this locknut provides exceptional performance in heavy equipment, structural frameworks, and mechanical systems where vibration resistance is paramount. The Class 2B thread fit guarantees consistent engagement and reduces the risk of cross-threading during assembly.
Specification Summary & Compliance
This locknut features precision Class 2B thread fit with 1/2"-13 UNC coarse threads and right-hand direction. Manufactured to standard inch system dimensions with 3/4" width and 31/64" height. The external-tooth lock washer measures 0.891" OD and is constructed from steel. Fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use in global industrial applications.
