S-90997A250 M9 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
- Exceptional corrosion resistance with A286 stainless steel construction, ideal for harsh environments and extended service life
- Superior torque application and anti-slip installation enabled by the 12-point external drive design
- Enhanced load distribution and joint integrity from the integrated 15.6mm flange, reducing the need for separate washers
- Precise and reliable thread engagement ensured by the Class 5H fine thread fit, minimizing the risk of cross-threading
- Optimized for high-strength metric assemblies with its M9 x 1mm fine thread profile and robust 9.5mm height
- Broad compatibility with standard metric components due to right-hand threading and standard hex nut profile
- Durable performance under stress from the 1.6mm flange thickness, providing stable clamping force
Professional Applications & Engineering Value
This M9 flange nut is engineered to address critical challenges in industrial and mechanical assemblies where vibration resistance, corrosion prevention, and reliable fastening are paramount. The use of A286 stainless steel offers outstanding resistance to oxidation and high-temperature environments, making it suitable for aerospace, automotive, and heavy machinery applications. The 12-point external drive allows for high-torque installation in confined spaces, ensuring a secure fit without rounding the fastener. Combined with the fine thread and Class 5H thread fit, this nut maintains consistent clamping force, reducing maintenance needs and preventing loosening in dynamic loads. Its integrated flange distributes pressure evenly, protecting surfaces and enhancing the longevity of the assembly.
Specification Summary & Compliance
This flange nut adheres to metric system standards with precise dimensions: M9 thread size, 1mm pitch, 15.6mm flange diameter, 11mm width, and 9.5mm height. The thread fit Class 5H ensures tight tolerances for reliable performance. Manufactured from A286 stainless steel, it meets industry requirements for durability and is compliant with RoHS and REACH environmental directives, supporting safe and sustainable industrial use.
