S-90759A840 M10 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating, extending service life in harsh environments
• Enhanced load distribution through 20.7mm flange diameter, reducing surface pressure and preventing material damage
• Precise thread engagement with Class 5H fine thread fit (1.25mm pitch), ensuring vibration-resistant connections
• High-torque installation capability via 12-point external drive, allowing secure tightening in confined spaces
• Reliable metric standardization with M10 right-hand threads, guaranteeing compatibility with industrial equipment
• Optimized strength-to-weight ratio from 3.2mm flange thickness, providing durability without excessive bulk
• Simplified maintenance with standardized 16mm width and 11.4mm height dimensions for easy tool access

Professional Applications & Engineering Value

This M10x1.25 flange nut delivers critical performance advantages in demanding assemblies where vibration resistance and corrosion protection are paramount. The black-oxide steel construction creates a protective barrier against moisture and chemicals, making it ideal for automotive chassis, agricultural machinery, and outdoor structural applications. Its 12-point external drive design enables high torque application with standard wrenches while the integrated flange eliminates the need for separate washers, reducing assembly time and part count. The fine thread pitch and Class 5H thread fit maintain clamping force under dynamic loads, preventing loosening in vibrating equipment and ensuring long-term joint integrity in heavy-duty industrial settings.

Specification Summary & Compliance

Manufactured to metric standards with M10x1.25 fine threads and Class 5H thread tolerance for precision fit. Dimensions include 20.7mm flange diameter, 3.2mm flange thickness, 16mm width across flats, and 11.4mm height. The black-oxide surface treatment provides corrosion protection while maintaining dimensional stability. Complies with international metric threading specifications and industrial fastening requirements for reliable performance in mechanical assemblies and structural applications.