S-95003A102 M8 DIN 6923, ISO 4161 Flange Nuts

Flange Nuts

1231FA00023 Flange Nuts
1231FA00023 Flange Nuts

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

Part No.
Part No. 1231FA00023
Equivalent to mcmaster :
95003A102

Basic Information

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

Dimension Parameters

Width 13 mm
Height 8 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Direction Right Hand
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Fit Class 6H

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Flange Parameters

Flange Diameter 17.9 mm
Flange Thickness 1.2 mm

Material & Strength Parameters

Material Zinc-Plated Steel
Strength Class Class 10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced load distribution with 17.9mm flange diameter to prevent surface damage and reduce loosening under vibration
  • Superior corrosion resistance through zinc-plated steel construction for extended service life in harsh environments
  • High-strength performance with Class 10 rating ensuring reliable fastening in demanding industrial applications
  • Precision threading with Class 6H fit and M8x1.25mm coarse thread for quick assembly and secure connections
  • Standardized compatibility meeting DIN 6923 and ISO 4161 specifications for interchangeability across metric systems
  • Easy installation using standard 13mm wrenches with external hex drive for efficient maintenance operations
  • Environmental compliance with RoHS 3 and REACH certifications for safe use in regulated industries

Professional Applications & Engineering Value

This M8 flange nut delivers exceptional engineering value through its zinc-plated steel construction and integrated flange design. The 17.9mm flange diameter distributes clamping force over a wider area, eliminating the need for separate washers and preventing damage to soft materials. The Class 10 strength rating ensures reliable performance in high-vibration environments common in automotive assembly, machinery manufacturing, and structural applications. With coarse metric threading (M8x1.25mm) and Class 6H thread fit, these nuts provide rapid installation while maintaining secure connections in heavy-duty applications. The external hex drive with 13mm width accommodates standard tools, streamlining maintenance procedures across industrial facilities.

Specification Summary & Compliance

This flange nut features precise M8x1.25mm coarse metric thread with Class 6H thread fit tolerance, ensuring compatibility with standard metric bolts. Manufactured to DIN 6923 and ISO 4161 standards, it maintains dimensional accuracy with 13mm width, 8mm height, and 17.9mm flange diameter. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental safety requirements for industrial applications worldwide.

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