# Buy Hexagon head bolt M4x20 at Autoservice ## Hexagon head bolt M4x20 8.8 DIN 933 electroplated zinc Fasteners / Bolts / Hexagon tapping bolts High-quality M4x20 hexagon head bolt, grade 8.8, electroplated zinc for optimal corrosion resistance. ## Prices and stock - **SIN-C4-20**: € 6,36 incl. VAT — 14 in stock ## Order URL [Hexagon head bolt M4x20 8.8 DIN 933 electroplated zinc](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m4x20-20pcs) ## Alternate URLs - **nl**: [Hexagon head bolt M4x20 8.8 DIN 933 electroplated zinc](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/zeskant-tapbouten/tapbout-88-din-933-electrolitisch-verzinkt-m4x20-20st) - **fr**: [Hexagon head bolt M4x20 8.8 DIN 933 electroplated zinc](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-a-tete-hexagonale/boulons-hexagonaux-88-din-933-acier-zingue-m4x20-20pc) - **en**: [Hexagon head bolt M4x20 8.8 DIN 933 electroplated zinc](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m4x20-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/6298/conversions/tapbout-88-din933-electrolitisch-verzinkt-m4x20-20st-7539-optimized.jpg) ## Specifications - **Reference**: SIN-C4-20 ## Product description ### Product description This hexagon head bolt M4x20 complies with DIN 933 and ISO 4017 standards and is made from grade 8.8 steel. Thanks to the electroplated zinc coating, this bolt offers excellent protection against corrosion, significantly extending its lifespan. ### Technical specifications - **Diameter** : M4 - **Length** : 20 mm - **Quality grade** : 8.8 - **Head shape** : Hexagon head - **Thread direction** : Right - **Surface treatment** : Electroplated zinc - **Thread type** : Metric thread ### Applications This bolt is suitable for various applications in the automotive sector, mechanical engineering, and construction. The combination of strength and corrosion resistance makes it a reliable choice for both indoor and outdoor use. ### Benefits of electroplated zinc - **Corrosion resistance** : The zinc layer protects the steel from rust. - **Aesthetic appearance** : The zinc finish provides a neat and professional look. - **Durability** : Extends the lifespan of the bolt, even in humid environments. ### Standards and certifications This hexagon head bolt meets the following standards: - **DIN 933** : German industrial standard for hexagon head bolts. - **ISO 4017** : International standard for fully threaded hexagon bolts. - **NEN 1568** : Dutch standard for hexagon bolts with metric thread. ### Installation and use For optimal fastening, it is recommended to tighten the bolt with the appropriate tool, such as a hex key or socket wrench. Make sure not to overload the bolt to ensure the integrity of the connection. ### Packaging These hexagon head bolts are supplied in sets of 20 pieces, ideal for both small and larger projects. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Hexagon tapping bolts](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts) ## Related products - [Hex bolt 8.8 DIN 933 electrolytically galvanized M10x16 (200 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m10x16-200pcs) - [Hex bolt 8.8 DIN 933 electrolytically galvanized M12x50 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m12x50-20pcs) - [Hex bolt 8.8 DIN 933 electrolytically galvanized M20x110 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m20x110-5pcs) - 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