S-90621A039 1 1/8"-7 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
- Maximum vibration resistance through steel insert locking mechanism, preventing loosening in high-stress environments
- Superior torque transmission enabled by extra wide hex profile design for easier installation and removal
- Exceptional strength and durability with Grade 8 steel construction, suitable for heavy-duty industrial applications
- Reliable thread engagement with Class 2B thread fit ensuring consistent performance and compatibility
- Coarse UNC threading provides quick assembly and disassembly while maintaining secure fastening
- Environmental compliance with RoHS 3 standards, meeting international regulatory requirements
- Optimized dimensions (1 13/16" width, 1 17/64" height) for enhanced stability and load distribution
Professional Applications & Engineering Value
This Grade 8 steel locknut with steel insert locking technology addresses critical vibration-induced loosening challenges in heavy machinery, construction equipment, and industrial assemblies. The extra wide hex profile delivers superior torque transmission capabilities, reducing installation time while preventing tool slippage. Engineered with coarse UNC threading and Class 2B thread fit, this vibration-resistant fastener maintains secure connections in high-stress environments where constant motion and dynamic loads threaten joint integrity. The external hex drive design ensures compatibility with standard industrial tools, making it ideal for maintenance operations and production line applications requiring reliable, long-term fastening solutions.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit tolerance and UNC coarse threading (1 1/8"-7). Compliant with RoHS 3 (2015/863/EU) environmental regulations. The locknut features right-hand thread direction and meets Grade 8 strength classification requirements for heavy-duty performance. Dimensions include 1 13/16" width and 1 17/64" height for optimal mechanical stability.
