S-90630A140 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 nylon insert locking technology that maintains secure fastening in dynamic environments
- Exceptional strength and durability with Grade 8 steel construction for heavy-duty industrial applications
- Reliable high-temperature performance with nylon insert rated up to 220°F without compromising locking capability
- Precise thread engagement with Class 2B fit and 1"-8 UNC coarse threads ensuring consistent, secure connections
- Easy installation and removal with standard external hex design compatible with common wrench tools
- Environmental compliance assurance meeting both REACH and RoHS 3 standards for regulated industries
- Optimal dimensional stability with 1 7/16" width and 1 3/64" height providing consistent performance across applications
Professional Applications & Engineering Value
This Grade 8 steel nylon insert locknut delivers critical vibration resistance in demanding industrial environments where fastener loosening can compromise system integrity. The 1"-8 UNC coarse thread configuration with Class 2B fit ensures reliable engagement even in high-cycle applications, while the nylon insert locking mechanism maintains consistent clamping force without requiring additional locking components. Engineered for heavy-duty external hex applications in machinery, automotive, and construction equipment, this locknut solves the persistent challenge of maintaining fastener tension in vibrating systems. The 220°F temperature rating makes it suitable for industrial environments where thermal cycling occurs, providing maintenance-free performance that reduces downtime and replacement costs.
Specification Summary & Compliance
This locknut features precision 1"-8 UNC coarse threads with Class 2B thread fit for consistent engagement and reliable performance. Manufactured from high-strength Grade 8 steel with standard external hex drive (1 7/16" width, 1 3/64" height) and nylon insert locking technology. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for regulated industrial applications across multiple sectors.
