S-91423A330 M33 DIN 934 Hex Nuts

Hex Nuts

0863FA00040 Hex Nuts
0863FA00040 Hex Nuts

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

Part No.
Part No. 0863FA00040
Equivalent to mcmaster :
91423A330

Basic Information

System of Measurement Metric
Nut Type Hex
Specifications Met DIN 934

Dimension Parameters

Width 50 mm
Height 26 mm

Thread Parameters

Thread Type Metric
Thread Size M33
Thread Direction Right Hand
Thread Pitch 3 mm
Thread Spacing Fine
Thread Fit Class 6H

Head Parameters

Drive Style External Hex
Hex Nut Profile Standard

Material & Strength Parameters

Material Steel
Fastener Strength Grade/Class Class 8

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

  • Exceptional load-bearing capacity with Class 8 strength grade, ensuring reliable performance in high-stress industrial applications.
  • Precise fine thread engagement with M33 x 3mm pitch and 6H thread fit, reducing the risk of loosening under vibration and providing secure fastening.
  • Durable steel construction offers excellent resistance to wear and corrosion, extending service life in demanding environments.
  • Standard external hex drive design allows for easy installation and removal using common tools, improving assembly efficiency.
  • Compliance with DIN 934 standards guarantees dimensional accuracy and interchangeability, ensuring consistent quality across metric systems.
  • RoHS 3 and REACH compliance confirms environmental safety and regulatory adherence, making it suitable for global supply chains.
  • Optimized size (50mm width, 26mm height) provides a balanced profile for stable clamping in heavy-duty machinery and structural assemblies.

Professional Applications & Engineering Value

This Class 8 steel hex nut is engineered to address critical challenges in industrial fastening, such as vibration-induced loosening and high tensile stress. The M33 fine thread with 3mm pitch and 6H thread fit ensures tight, secure connections that maintain integrity under dynamic loads, making it ideal for machinery, automotive, and construction sectors. Manufactured from robust steel and compliant with DIN 934, it delivers consistent performance in metric systems, while the external hex drive simplifies maintenance. Its compliance with REACH and RoHS 3 standards further supports use in environmentally conscious applications, providing a reliable solution for heavy-duty industrial fastening that combines durability with precision.

Specification Summary & Compliance

This hex nut features precise metric fine threads with M33 size, 3mm pitch, and Class 6H thread fit per ISO standards, ensuring accurate engagement and tolerance. It adheres to DIN 934 manufacturing specifications for dimensional consistency, with a width of 50mm and height of 26mm. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for industrial use where safety and environmental standards are critical.

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