S-90997A240 M8 Flange Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with A286 stainless steel material, ideal for harsh environments and extending service life.
• Superior load distribution and vibration resistance thanks to the 13.6mm flange diameter and 1.6mm thickness, reducing loosening under stress.
• High-strength performance in elevated temperatures due to A286 alloy, ensuring reliability in demanding thermal conditions.
• Precise and secure thread engagement with Class 5H thread fit, minimizing the risk of cross-threading and ensuring consistent fastening.
• Efficient installation and removal using the external 12-point drive, allowing for high-torque applications with standard tools.
• Wide compatibility with coarse M8x1.25 metric threads, making it suitable for various industrial assemblies requiring right-hand threading.
• Durable and reliable construction with standard hex nut profile, providing long-term stability in heavy-duty applications.

Professional Applications & Engineering Value

This M8x1.25 A286 stainless steel 12-point flange nut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion in aggressive environments. The flange design with a 13.6mm diameter and 1.6mm thickness enhances load distribution, effectively preventing fatigue failures in machinery and automotive systems. Made from A286 stainless steel, it offers excellent resistance to high temperatures and oxidation, making it ideal for aerospace, power generation, and chemical processing applications. The external 12-point drive ensures easy access in confined spaces, while the Class 5H thread fit and coarse metric thread provide reliable, repeatable fastening that meets rigorous engineering standards for safety and performance.

Specification Summary & Compliance

This flange nut features an M8 metric coarse thread with a 1.25mm pitch and Class 5H thread fit, ensuring precise dimensional accuracy per ISO standards. It complies with industry specifications for material integrity and is designed to meet RoHS and REACH environmental directives. The external 12-point drive and right-hand threading align with common assembly practices, supporting consistent performance in various mechanical systems.