Nut DIN 439 M20 A4
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Overview
DIN 439 A4 is a thin hex nut made of A4 stainless steel, providing high corrosion resistance. Its height is lower than that of standard nuts, helping save installation space. The nut has a full internal thread that provides reliable engagement.
The DIN 439 A4 nut is suitable for use in conditions of increased humidity and in marine, chemical, and other environments with high corrosion-resistance requirements. It may be available with a standard or fine metric thread pitch, allowing the appropriate version to be selected for various technical applications. This nut is a reliable solution for industrial and construction projects where compact dimensions and connection durability are important.
Applications
DIN 439 A4 is a thin hex nut suitable for confined spaces where standard-height nuts are difficult to use. It provides a compact and reliable threaded connection, making it suitable for mechanical engineering and other assemblies where saving installation space is important.
The nut is made of A4 stainless steel, providing high resistance to corrosion and aggressive environments. Its dimensions comply with DIN requirements, ensuring compatibility with corresponding fastening elements. Thanks to its characteristics, DIN 439 A4 is suitable for long-term use in various technical applications.
Technical Specifications
| Fastening group | Stainless steel fasteners |
| Material | Stainless steel A4 |
| Diameter, mm | 1.6 - 52 |
| Height, mm | 1.2 - 26 |
| Type of carving | Full |
| Thread type | Metric |
Equivalent Standards
DIN 439 A4 is a thin hex nut that complies with established quality and reliability requirements. ISO 4035 may be considered as a possible equivalent. When selecting a replacement, it is important to consider the thread diameter and pitch, nut height, material, and other technical specifications.
The nut is made of A4 stainless steel, providing high corrosion resistance and making it suitable for demanding operating conditions. A DIN 439 nut has a lower height than a standard DIN 934 nut, allowing it to be used in confined installation spaces. DIN 934 is not a direct equivalent of DIN 439 because of differences in nut geometry.
Is It Worth Buying?
The DIN 439 A4 thin hex nut is a suitable solution for connections where compact dimensions, reliability, and high corrosion resistance are important. Made of A4 stainless steel, it is suitable for use in conditions of increased humidity and other environments with elevated corrosion-protection requirements.
Thanks to its low profile, the nut saves installation space while maintaining a reliable threaded connection. Depending on the specific version, it may have a standard or fine thread pitch. Correct selection of the thread diameter and pitch ensures compatibility with corresponding bolts or threaded rods.
Where It Is Used
DIN 439 A4 is a thin hex nut widely used in mechanical engineering, automotive applications, construction, industrial equipment, and other technical fields. Made of A4 stainless steel, it provides high corrosion resistance and is suitable for use in conditions of increased humidity and exposure to aggressive environments.
Before ordering, it is important to check the thread diameter and pitch, nut height, material, and other technical specifications. The reduced height of DIN 439 allows it to be used in assemblies with limited installation space. Proper selection of the fastening element helps ensure reliable and durable connection performance.
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