S-90759A910 M12 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance through black-oxide steel construction, extending service life in harsh industrial environments
• Enhanced torque transmission with 12-point external drive design for secure installation with standard tools
• Reliable thread engagement with Class 5H thread fit ensuring precise, vibration-resistant fastening
• Increased load distribution from 19.1mm flange diameter, reducing surface pressure and material stress
• Optimized for fine-thread applications with M12x1.25 metric threading providing superior vibration resistance
• Simplified assembly through standard hex nut profile compatible with common wrench sizes
• Durable construction with 3.2mm flange thickness for sustained performance under heavy loads

Professional Applications & Engineering Value

This black-oxide steel flange nut delivers exceptional engineering value in demanding applications where vibration resistance and corrosion protection are critical. The M12x1.25 fine thread configuration provides superior holding power in automotive assemblies, heavy machinery, and industrial equipment subject to dynamic loads. The integrated 19.1mm flange eliminates the need for separate washers, distributing clamp load over a wider area to prevent surface damage and maintain joint integrity. The 12-point external drive design enables high-torque installation in confined spaces, while the Class 5H thread fit ensures consistent performance across production runs. This combination of features makes it ideal for industrial fastening solutions requiring reliability, durability, and maintenance-free operation.

Specification Summary & Compliance

This precision-engineered flange nut features M12x1.25 metric fine threads with Class 5H thread fit tolerance, right-hand thread direction, and 14mm width x 12.8mm height dimensions. The product meets international metric system standards and is manufactured to precise engineering specifications. The black-oxide surface treatment provides enhanced corrosion resistance while maintaining dimensional stability. All materials and manufacturing processes comply with industry standards for industrial fasteners, ensuring consistent quality and performance in professional applications.