S-90621A043 1/2"-13 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
- Exceptional vibration resistance with a steel insert locking mechanism that maintains secure fastening under high-stress conditions
- Superior torque application and reduced tool slippage due to the extra wide hex profile, allowing for easier installation and removal
- High tensile strength and durability from Grade 8 steel, ensuring reliable performance in heavy-duty industrial applications
- Wide compatibility and easy assembly with UNC coarse threading and Class 2B thread fit, providing consistent engagement and reduced cross-threading risks
- Enhanced safety and longevity in demanding environments, backed by RoHS 3 compliance for environmental and health safety
- Optimized for right-hand thread systems with external hex drive, facilitating quick and efficient fastening in standard setups
Professional Applications & Engineering Value
This Grade 8 steel locknut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and high-load demands. The steel insert locking type ensures a firm grip, preventing unintentional loosening in machinery, automotive, and construction applications. Its extra wide hex profile allows for higher torque application with standard tools, reducing installation time and minimizing wear. With UNC coarse threads and Class 2B thread fit, it offers precise alignment and reliable performance in assemblies requiring frequent maintenance. Ideal for heavy-duty uses, this locknut enhances operational safety and reduces downtime, making it a valuable component for engineers and procurement specialists seeking robust industrial fastening solutions.
Specification Summary & Compliance
This locknut adheres to UNC thread standards with a Class 2B thread fit for consistent dimensional accuracy. It meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances. Manufactured from high-strength Grade 8 steel, it is designed for reliable performance in accordance with industry specifications for external hex drive and right-hand thread applications.
