S-90759A740 M8 Flange Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel construction, ideal for harsh industrial environments.
• Enhanced load distribution thanks to the 15.9mm flange diameter, reducing surface pressure and preventing loosening.
• Precise thread fit with Class 5H tolerance for reliable, vibration-resistant connections in metric assemblies.
• Easy installation and high torque application enabled by the external 12-point drive design.
• Space-saving and secure fastening with a compact 8.1mm height and integrated flange, eliminating the need for separate washers.
• Consistent performance in fine-thread applications with M8x1mm threading for improved adjustment and strength.
• Durable and long-lasting material and finish ensure reliability in demanding automotive and machinery uses.

Professional Applications & Engineering Value

This M8 flange nut is engineered to address common industrial fastening challenges, such as vibration-induced loosening and corrosion. The black-oxide steel provides excellent protection against rust, extending service life in moist or chemically aggressive settings. Its 12-point external drive allows for high-torque installation with standard tools, ensuring tight, secure fits in confined spaces. The integrated 15.9mm flange distributes clamping force evenly, reducing the risk of damage to connected materials—making it a top choice for automotive assemblies, heavy machinery, and other industrial applications where reliability and precision are critical. The fine thread (M8x1mm) offers superior holding power in dynamic load conditions.

Specification Summary & Compliance

This flange nut adheres to metric standards with a Class 5H thread fit for precise tolerance, ensuring compatibility with corresponding male threads. Dimensions include a flange diameter of 15.9mm, thickness of 1.6mm, width across flats of 10mm, and height of 8.1mm. It is manufactured from steel with black-oxide finish for enhanced durability and meets common industry specifications for performance. Complies with RoHS and REACH environmental directives, supporting safe and sustainable use in global industrial fasteners markets.