S-93033A104 M12 DIN 6923, ISO 4161 Flange Nuts

Flange Nuts

1239FA00004 Flange Nuts
1239FA00004 Flange Nuts

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

Part No.
Part No. 1239FA00004
Equivalent to mcmaster :
93033A104

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 2.2 mm

Material & Strength Parameters

Material 18-8 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Integrated flange design eliminates the need for separate washers, reducing assembly time and part count while providing superior load distribution
  • 18-8 stainless steel construction offers excellent corrosion resistance and durability in harsh industrial environments
  • 26mm flange diameter with 2.2mm thickness creates a wider bearing surface for enhanced vibration resistance and joint stability
  • External hex drive allows for standard tool compatibility and high torque application without slippage
  • Class 6H thread fit ensures precise engagement with mating components for reliable, secure fastening
  • Compliance with DIN 6923 and ISO 4161 standards guarantees dimensional accuracy and international interoperability
  • REACH and RoHS 3 compliance meets environmental regulations for safe use across various industries

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these M12 flange nuts provide critical solutions where vibration resistance and corrosion protection are paramount. The 18-8 stainless steel material maintains integrity in corrosive environments, while the integrated flange design prevents loosening under dynamic loads common in automotive assemblies, machinery, and structural frameworks. The coarse thread pitch of 1.75mm facilitates quick installation and resists jamming, making these metric flange nuts ideal for high-volume production environments. With external hex drive compatibility, maintenance personnel can achieve proper torque values using standard tools, reducing installation errors and ensuring long-term joint integrity in heavy-duty fastening systems.

Specification Summary & Compliance

This flange nut features M12 x 1.75mm coarse thread spacing with Class 6H thread fit precision, manufactured to DIN 6923 and ISO 4161 standards for dimensional accuracy. The product maintains compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe usage across industrial sectors. With right-hand thread direction and standard hex nut profile, these components deliver reliable performance in metric fastening systems requiring certified quality standards.

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