# Buy DIN6798A M4 lock washer at Autoservice ## Toothed lock washer DIN6798A electrolytically galvanized M4 (50 pieces) Fasteners / Rings / External spring washers Self-locking toothed washer M4, electrolytically galvanized, prevents loosening of bolts and nuts. ## Prices and stock - **SIN-AC4**: € 5,39 incl. VAT — 9 in stock ## Order URL [Toothed lock washer DIN6798A electrolytically galvanized M4 (50 pieces)](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/toothed-ring-din6798a-electrolitic-zinc-plated-m4-50pcs) ## Alternate URLs - **nl**: [Toothed lock washer DIN6798A electrolytically galvanized M4 (50 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/ringen/buitentandveerringen/tandveerring-din6798a-electrolitisch-verzinkt-m4-50st) - **fr**: [Toothed lock washer DIN6798A electrolytically galvanized M4 (50 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/anneaux/rondelles-elastiques-dentelees-a-lexterieur/rondelle-a-dents-din6798a-electrozinguee-m4-50pc) - **en**: [Toothed lock washer DIN6798A electrolytically galvanized M4 (50 pieces)](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/toothed-ring-din6798a-electrolitic-zinc-plated-m4-50pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/9282/conversions/tandveerring-din6798a-electrolitisch-verzinkt-m4-50st-10577-optimized.jpg) ## Specifications - **Reference**: SIN-AC4 ## Product description ### Reliable locking for your fasteners When assembling bolts and nuts, it is essential to prevent them from loosening due to vibrations. The toothed lock washer DIN6798A M4 offers the perfect solution. Thanks to its external teeth, this washer grips firmly onto the surface, ensuring reliable locking of your fasteners. ### High-quality material and finish This lock washer is made from spring steel, known for its resilience and strength. The electrolytic galvanization provides an extra layer of protection against corrosion, making the washer suitable for various applications, both indoors and outdoors. The blue color of the coating also gives your assembly a professional appearance. ### Technical specifications - **DIN standard** : 6798A - **Thread size** : M4 - **Inner diameter** : 4.3 mm - **Outer diameter** : 8.0 mm - **Thickness** : 0.5 mm - **Material** : Spring steel - **Surface treatment** : Electrolytically galvanized ### Applications in various sectors The DIN6798A M4 lock washer is versatile and can be used in different industries: - **Automotive** : Ensures secure connections in vehicles, where vibrations are a constant factor. - **Mechanical engineering** : Essential for locking components in machines and equipment. - **Construction sector** : Ideal for structures where reliable fastenings are crucial. ### Advantages of the DIN6798A M4 lock washer - **Prevents loosening** : The external teeth grip the surface effectively, preventing bolts and nuts from loosening due to vibrations. - **Corrosion resistant** : The electrolytic galvanization protects against rust, extending the washer's lifespan. - **Easy installation** : Can be easily placed between the nut and the surface to be fastened, without special tools. ### Practical tips for use - **Clean surface** : Ensure the surface where you place the washer is clean and free from oil or dirt for optimal grip. - **Correct size** : Use the correct size washer that matches the thread size of the bolt or nut for a secure connection. - **Regular inspection** : Periodically check the condition of the washers, especially in environments with a lot of vibrations, to ensure the reliability of the connection. With the DIN6798A M4 lock washer, you choose a reliable and durable solution to keep your fastenings secure and safe. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Rings](https://www.auto-service.be/en/fasteners/rings) - [External spring washers](https://www.auto-service.be/en/fasteners/rings/external-spring-washers) ## Related products - [Toothed lock washer DIN6798A electrolytically galvanized M16 (50 pieces)](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/toothed-ring-din6798a-electrolitic-zinc-plated-m16-50pcs) - [Stainless steel A2 serrated lock washer DIN 6798A M10 for reliable bolt connections](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/stainless-steel-a2-toothed-ring-din6798a-m10-50pcs) - [Stainless steel A2 serrated lock washer DIN 6798A M3 with external teeth](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/stainless-steel-a2-toothed-ring-din6798a-m3-50pcs) - [Stainless steel A2 serrated lock washer DIN 6798A M4 with external teeth](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/stainless-steel-a2-toothed-ring-din6798a-m4-50pcs) - [Stainless steel A2 serrated lock washer DIN 6798A M5 with external teeth](https://www.auto-service.be/en/fasteners/rings/external-spring-washers/stainless-steel-a2-toothed-ring-din6798a-m5-50pcs) ## Webshop catalogue - [Car Cleaning](https://www.auto-service.be/en/car-cleaning) - [Exterior](https://www.auto-service.be/en/car-cleaning/exterior) - [Car Shampoo](https://www.auto-service.be/en/car-cleaning/car-shampoo) - [Interior](https://www.auto-service.be/en/car-cleaning/interior) - [Leather upholstery](https://www.auto-service.be/en/car-cleaning/leather-upholstery) - [Rims & tires](https://www.auto-service.be/en/car-cleaning/rims-tires) - [Polishing](https://www.auto-service.be/en/car-cleaning/polishing) - [Windows](https://www.auto-service.be/en/car-cleaning/windows) - [Wax & protect](https://www.auto-service.be/en/car-cleaning/wax-protect) - [Scratch treatment](https://www.auto-service.be/en/car-cleaning/scratch-treatment) - [Accessories](https://www.auto-service.be/en/car-cleaning/accessories) - 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