S-90648A250 1"-8 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 the nylon insert, ensuring reliable performance in high-stress applications.
- Enhanced durability and corrosion protection with zinc-plated steel construction, extending service life in harsh environments.
- Easy installation and removal with the extra wide hex profile and external drive style, reducing assembly time and effort.
- High-temperature resilience up to 250°F, maintaining locking integrity in demanding thermal conditions.
- Precise thread engagement with Class 2B fit and coarse UNC threads, providing secure fastening and reducing the risk of cross-threading.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in industrial settings.
- Right-hand thread design for standard applications, offering compatibility with common assembly processes.
Professional Applications & Engineering Value
This heavy-duty nylon insert locknut is engineered to address critical challenges in industrial fastening, such as vibration-induced loosening and thermal expansion. The zinc-plated steel material provides excellent corrosion resistance, making it ideal for outdoor machinery, automotive assemblies, and construction equipment exposed to moisture and chemicals. With its extra wide hex profile and external drive style, it allows for high-torque application using standard tools, reducing installation errors. The coarse UNC thread and Class 2B fit ensure quick, reliable threading even in dirty or high-vibration environments, minimizing downtime. Suitable for applications up to 250°F, this locknut maintains performance in engines, industrial motors, and heavy machinery, delivering long-term reliability and reducing maintenance costs.
Specification Summary & Compliance
This locknut features a 1"-8 UNC coarse thread with Class 2B thread fit for precise dimensional accuracy and secure fastening. Manufactured from zinc-plated steel with an external hex drive and nylon insert locking mechanism, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring environmental safety and regulatory adherence in industrial applications.
