S-95003A209 M12 DIN 6923, ISO 4161 Flange Nuts

Flange Nuts

1231FA00033 Flange Nuts
1231FA00033 Flange Nuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 1231FA00033
Equivalent to mcmaster :
95003A209

Basic Information

System of Measurement Metric
Nut Type Flange, Hex
Specifications Met DIN 6923, ISO 4161

Dimension Parameters

Width 18 mm
Height 12 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Direction Right Hand
Thread Pitch 1.75 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Flange Parameters

Flange Diameter 26 mm
Flange Thickness 1.8 mm

Material & Strength Parameters

Material Steel
Strength Class Class 10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior load distribution with 26mm flange diameter to prevent surface damage and maintain joint integrity
  • Exceptional strength performance with Class 10 steel construction for heavy-duty applications
  • Reliable coarse threading with M12 x 1.75mm pitch for quick assembly and vibration resistance
  • Precision external hex drive allows for high-torque application with standard tools
  • Guanteed interchangeability through compliance with DIN 6923 and ISO 4161 standards
  • Consistent thread quality with Class 6H fit ensuring secure fastening and reduced cross-threading risks
  • Environmental compliance with RoHS 3 (2015/863/EU) for safe use across regulated industries

Professional Applications & Engineering Value

This Class 10 steel flange nut delivers exceptional engineering value in demanding industrial environments where vibration resistance and structural integrity are paramount. The integrated 26mm flange eliminates the need for separate washers while distributing clamp load over a wider surface area, preventing material deformation in automotive chassis, heavy machinery, and structural steel applications. Manufactured to DIN 6923 and ISO 4161 specifications with M12 coarse threading (1.75mm pitch), this nut maintains reliable performance under dynamic loads and harsh operating conditions. The external hex drive design ensures maximum torque transmission during installation, while the Class 6H thread fit guarantees precise engagement with mating components for leak-proof and secure connections in hydraulic systems and power transmission equipment.

Specification Summary & Compliance

This metric flange nut features M12 coarse thread with 1.75mm pitch and Class 6H thread fit tolerance. Manufacturing complies with DIN 6923 and ISO 4161 standards, ensuring dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) compliance requirements for environmental safety. Physical dimensions include 26mm flange diameter, 1.8mm flange thickness, 18mm width across flats, and 12mm height.

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