S-90759A930 M12 Flange Nuts

Key Features & Benefits at a Glance

• Superior load distribution with 23.5mm flange diameter and 3.2mm thickness prevents surface damage and maintains joint integrity under high stress
• Maximum torque application capability through 12-point external drive design allows for secure tightening in confined spaces
• Precision threading performance with Class 5H thread fit ensures reliable engagement and vibration resistance in critical assemblies
• Enhanced corrosion protection from black-oxide steel construction extends service life in demanding industrial environments
• Fine thread advantage with 1.25mm pitch provides superior clamping force and improved resistance to loosening under dynamic loads
• Metric system compatibility enables seamless integration with international equipment and standardized components
• Robust dimensional stability with 16mm width and 10.8mm height maintains consistent performance across repeated assembly cycles

Professional Applications & Engineering Value

This M12x1.25 flange nut delivers exceptional engineering value through its black-oxide steel construction and precision Class 5H thread specification. The integrated flange eliminates the need for separate washers, reducing assembly time and component count while providing superior load distribution across mating surfaces. The 12-point external drive configuration enables high-torque installation in space-constrained applications common in automotive, machinery, and heavy equipment manufacturing. The fine thread pitch (1.25mm) offers enhanced vibration resistance critical for dynamic load environments, while the metric thread system ensures global compatibility. This combination of features addresses common industrial challenges including joint relaxation, surface damage prevention, and corrosion resistance in demanding operating conditions.

Specification Summary & Compliance

Manufactured to precise metric standards with Class 5H thread fit tolerance for consistent threading performance. The nut features M12x1.25 fine thread spacing with right-hand thread direction and standard hex nut profile. Dimensions include 23.5mm flange diameter, 3.2mm flange thickness, 16mm width, and 10.8mm height. The black-oxide surface treatment on steel substrate provides corrosion resistance while maintaining dimensional stability. Complies with international metric fastener standards and industrial specifications for heavy-duty applications.