S-90876A375 5/16"-18 Thumb Nuts
Thumb Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Geometric Parameters
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Key Features & Benefits at a Glance
- Quick hand-tightening capability with standard wing profile for faster assembly without tools
- Superior thread engagement with Class 2B fit ensuring reliable performance in vibration-prone applications
- Durable steel construction providing excellent strength and corrosion resistance for industrial environments
- Optimized grip design with 1 7/8" width and 1 3/8" height for comfortable, secure manual operation
- Wide compatibility with 5/16"-18 UNC coarse threads matching standard bolt configurations
- Stable mounting base with 11/16" diameter for even load distribution and reduced surface damage
- Standardized inch measurements ensuring seamless integration with existing equipment and components
Professional Applications & Engineering Value
This heavy-duty steel thumb nut solves critical assembly challenges where frequent adjustments or quick disassembly are required. The right-hand UNC coarse threads with Class 2B thread fit provide excellent vibration resistance while maintaining easy hand operation, eliminating the need for tools in maintenance-heavy environments. The standard wing nut profile offers exceptional torque application for manual tightening in confined spaces, making it ideal for machinery guards, electrical enclosures, and temporary fixtures. Its steel construction ensures reliable performance in industrial settings where durability and repeated use are essential, while the generous wing span allows for comfortable operation even with gloved hands.
Specification Summary & Compliance
Manufactured to precise inch measurement standards with 5/16"-18 UNC coarse threads and Class 2B thread fit tolerance. The thumb nut features a standard wing profile with right-hand thread direction, 11/16" base diameter, and complies with industrial fastener specifications. Steel material construction meets general industrial requirements for mechanical fasteners and is suitable for applications requiring manual operation and repeated adjustments.
