S-90997A320 M12 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with A286 stainless steel construction, ensuring long-term reliability in harsh environments
• Enhanced torque transmission through the 12-point external drive design, allowing for precise installation with standard tools
• Secure and vibration-resistant fastening thanks to the Class 5H thread fit and integrated flange that distributes load evenly
• Reduced assembly time with the fine M12x1mm metric thread, providing excellent grip and stability in high-stress applications
• Increased durability under heavy loads due to the 19.1mm flange diameter and 3.2mm thickness, minimizing loosening and wear
• Wide compatibility with standard metric components, making it ideal for industrial machinery and equipment
• Consistent performance in demanding conditions, backed by precise manufacturing and right-hand threading for reliable operation

Professional Applications & Engineering Value

This M12x1mm A286 stainless steel flange nut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion in aggressive environments. The 12-point external drive ensures efficient torque application, reducing the risk of tool slippage during high-torque installations. Made from A286 stainless steel, it offers exceptional strength and resistance to oxidation, making it suitable for aerospace, automotive, and heavy machinery applications where reliability is paramount. The integrated flange eliminates the need for separate washers, simplifying assembly while providing a larger bearing surface to prevent surface damage and maintain joint integrity under dynamic loads. Its fine thread pitch and Class 5H thread fit deliver precise engagement, minimizing the risk of thread stripping and ensuring consistent performance in critical fastening systems.

Specification Summary & Compliance

This flange nut features a metric M12x1mm fine thread with a Class 5H thread fit for high precision and reliable engagement. It complies with standard metric threading specifications and is manufactured to ensure dimensional accuracy, including a flange diameter of 19.1mm and thickness of 3.2mm. The product adheres to industry standards for material quality and is designed to meet requirements for corrosion resistance and mechanical performance, supporting compliance with RoHS and REACH directives for safe use in various industrial applications.