# Buy hex coupling nut DIN6334 M4 at Autoservice ## Hex coupling nut DIN6334 M4 electrolytically galvanized Fasteners / Nuts / Coupling nuts hexagon Coupling nut M4 according to DIN 6334, electrolytically galvanized for optimal protection against corrosion. ## Prices and stock - **SIN-DK4**: € 13,98 incl. VAT — backorder ## Order URL [Hex coupling nut DIN6334 M4 electrolytically galvanized](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m4-20pcs) ## Alternate URLs - **nl**: [Hex coupling nut DIN6334 M4 electrolytically galvanized](https://www.auto-service.be/nl/bevestigingsmateriaal/moeren/koppelmoeren-zeskant/koppelmoer-zeskant-din6334-6-electrolitisch-verzinkt-m4-20st) - **fr**: [Hex coupling nut DIN6334 M4 electrolytically galvanized](https://www.auto-service.be/fr/materiel-de-fixation/noix/ecrous-dynamometriques-hexagonaux/ecrou-de-rallonge-hexagonal-din6334-6-electrozingue-m4-20pc) - **en**: [Hex coupling nut DIN6334 M4 electrolytically galvanized](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m4-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/9194/conversions/koppelmoer-zeskant-din6334-6-electrolitisch-verzinkt-m4-20st-10489-optimized.jpg) ## Specifications - **Reference**: SIN-DK4 ## Product description ### High-quality coupling nut for reliable connections This M4 coupling nut complies with the DIN 6334 standard and is made from class 6 steel. The electrolytic galvanization provides excellent protection against corrosion, increasing the durability of the nut. ### Technical specifications - **Thread size:** M4 - **Length:** 12 mm - **Wrench size:** 7 mm - **Pitch:** 0.7 mm - **Material:** Class 6 steel - **Surface treatment:** Electrolytically galvanized ### Applications in the automotive sector This coupling nut is ideal for extending threaded rods or connecting two bolts with metric threads. Thanks to the hexagonal shape, the nut is easy to install with standard tools, saving time during assembly. ### Advantages of electrolytic galvanization - **Corrosion resistance:** The galvanized layer protects against rust. - **Aesthetically appealing:** The shiny finish provides a professional appearance. - **Long lifespan:** Increases the durability of the connection. ### Suitable for various applications This coupling nut is suitable for use in various applications within the automotive sector, including: - **Chassis connections:** For extending threaded rods in the chassis. - **Engine components:** For connecting bolts in engine parts. - **Interior assembly:** For connecting structural elements in the interior. ### Easy installation Thanks to the hexagonal shape and standard M4 thread, this coupling nut is easy to install with standard tools. This makes it a practical choice for both professional mechanics and DIY enthusiasts. ### Quality and reliability This coupling nut meets the strict DIN 6334 standard, ensuring high quality and reliability. The combination of high-quality steel and a durable galvanized finish results in a product that can withstand the challenges of the automotive sector. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Nuts](https://www.auto-service.be/en/fasteners/nuts) - [Coupling nuts hexagon](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon) ## Related products - [Hex coupling nut DIN 6334 M10 electrolytically galvanized (20 pieces)](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m10-20pcs) - [Hex coupling nut DIN6334 M16 electroplated (10 pieces)](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m16-10pcs) - [Hex coupling nut DIN 6334 M18 electrolytically galvanized](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m18-10pcs) - [Hex coupling nut DIN6334 M20 electrolytically galvanized](https://www.auto-service.be/en/fasteners/nuts/coupling-nuts-hexagon/coupling-nut-hexagon-din6334-6-electrolitic-zinc-plated-m20-10pcs) - 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