S-90759A920 M12 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating for extended service life in harsh environments
• Enhanced load distribution through 22.2mm flange diameter and 4.8mm thickness prevents surface damage
• Precise Class 5H thread fit ensures reliable engagement and vibration resistance in critical assemblies
• Fine 1.25mm pitch threading provides superior clamping force and adjustment precision
• 12-point external drive design enables high-torque installation with standard industrial tools
• Metric M12 compatibility ensures seamless integration with global equipment standards
• Right-hand threading facilitates straightforward installation and maintenance procedures

Professional Applications & Engineering Value

This black-oxide steel flange nut delivers exceptional performance in demanding industrial settings where vibration resistance and corrosion protection are critical. The M12 fine thread with 1.25mm pitch maintains secure fastening under dynamic loads, while the integrated 22.2mm flange eliminates the need for separate washers, reducing assembly time and component count. The 12-point external drive configuration allows for high-torque applications in confined spaces, making it ideal for automotive assemblies, heavy machinery, and structural frameworks where reliability cannot be compromised. The Class 5H thread fit guarantees consistent performance across production runs, ensuring predictable clamping force and joint integrity.

Specification Summary & Compliance

Manufactured to precise metric standards with M12x1.25 fine threading and Class 5H thread fit tolerance. Features standard 16mm width across flats and 13.5mm height profile. The black-oxide surface treatment provides corrosion protection while maintaining dimensional stability. Complies with international metric thread specifications and industrial fastening requirements for reliable performance in professional applications.