S-90759A880 M11 Flange Nuts
Flange Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance through black-oxide steel construction for extended service life in harsh environments
- Superior load distribution with 20.9mm flange diameter preventing surface damage and maintaining joint integrity
- Precision threading accuracy with Class 5H thread fit ensuring reliable, vibration-resistant connections
- High-torque installation capability via external 12-point drive for secure fastening in confined spaces
- Optimized fine thread engagement with 1.25mm pitch providing superior clamping force and vibration resistance
- Robust structural integrity from 3.2mm flange thickness and standard hex profile for heavy-duty applications
- Universal compatibility with metric M11 right-hand threaded components across industrial systems
Professional Applications & Engineering Value
This M11 metric flange nut delivers exceptional engineering value through its black-oxide steel construction and precision Class 5H threading. The integrated flange eliminates the need for separate washers, reducing assembly time while providing superior load distribution across connected surfaces. The external 12-point drive enables high-torque installation in confined spaces where standard wrenches cannot operate effectively. With fine thread pitch of 1.25mm, this fastener maintains secure connections in high-vibration environments common in automotive assemblies, heavy machinery, and structural frameworks. The corrosion-resistant black-oxide finish ensures long-term reliability in demanding industrial conditions where moisture and chemicals are present.
Specification Summary & Compliance
Manufactured to precise metric standards with M11 x 1.25mm fine threading and Class 5H thread fit tolerance. Features include 20.9mm flange diameter, 3.2mm flange thickness, 14mm width across flats, and 13mm height. The external 12-point drive configuration complies with industrial fastening specifications. The black-oxide steel construction meets corrosion resistance requirements while maintaining compatibility with RoHS and REACH environmental directives for industrial components.
