# Buy Hexagon Socket Head Bolt 8.8 DIN912 M3x20 at Autoservice ## Hexagon socket head bolt 8.8 DIN912 electrolytically galvanized M3x20 (20 pieces) Fasteners / Bolts / Hexagon head bolts Strong M3x20 hexagon socket head bolts, electrolytically galvanized for optimal protection. ## Prices and stock - **SIN-E3-20**: € 7,03 incl. VAT — backorder ## Order URL [Hexagon socket head bolt 8.8 DIN912 electrolytically galvanized M3x20 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m3x20-20pcs) ## Alternate URLs - **nl**: [Hexagon socket head bolt 8.8 DIN912 electrolytically galvanized M3x20 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/binnenzeskantbouten/binnen-zeskant-bout-88-din912-electrolitisch-verzinkt-m3x20-20st) - **fr**: [Hexagon socket head bolt 8.8 DIN912 electrolytically galvanized M3x20 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-a-six-pans-creux/boulon-a-six-pans-88-din912-electrozingue-m3x20-20pc) - **en**: [Hexagon socket head bolt 8.8 DIN912 electrolytically galvanized M3x20 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m3x20-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/6653/conversions/binnen-zeskant-bout-88-din912-electrolitisch-verzinkt-m3x20-20st-7906-optimized.jpg) ## Specifications - **Reference**: SIN-E3-20 ## Product description ### High-quality hexagon socket head bolts for various applications These hexagon socket head bolts with a cylindrical head are made from hardened steel of class 8.8, providing high tensile strength and reliability in a wide range of uses. The electrolytic galvanization offers excellent corrosion protection, making them suitable for both indoor and outdoor applications. ### Technical specifications - **Diameter** : M3 - **Length** : 20 mm - **Strength class** : 8.8 - **Drive** : Hexagon socket (Allen) size 2.5 mm - **Head height** : 3 mm - **Head diameter** : 5.5 mm - **Thread length** : 18 mm - **Surface treatment** : Electrolytically galvanized - **Standard** : DIN 912, ISO 4762 ### Versatile use These bolts are ideal for applications where a strong and reliable connection is required. They are often used in: - **Automotive sector** : Fastening engine parts and body components. - **Mechanical engineering** : Assembly of machines and equipment. - **Construction** : Fastening metal structures and frames. ### Advantages of electrolytic galvanization Electrolytic galvanization offers several benefits: - **Corrosion resistance** : Protects the steel from rust and extends its lifespan. - **Smooth finish** : Provides an aesthetically pleasing and smooth surface. - **Improved adhesion** : Makes it easy to paint or coat the bolts if desired. ### Easy assembly Thanks to the hexagon socket drive, these bolts can be easily and securely tightened with an Allen key. This ensures a tight and safe fastening without protruding parts, which is especially important in applications where space is limited or a smooth surface is desired. ### Packaging and availability These hexagon socket head bolts are supplied in sets of 20, so you always have enough stock for your projects. They are immediately available and ready for use in your next assembly job. ### Areas of application - **Automotive** : Ideal for mounting engine parts and other components in cars. - **Mechanical engineering** : Suitable for assembling various machines and devices. - **Construction** : Can be used in the construction of metal structures and frames. With these hexagon socket head bolts, you are assured of a strong and durable connection in all your projects. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Hexagon head bolts](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts) ## Related products - [Hexagon socket head cap screw DIN 912 8.8 electroplated zinc M12x65 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m12x65-50pcs) - [Hexagon socket head cap screw DIN 912 8.8 electroplated M16x55 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m16x55-50pcs) - [Hex socket head bolt 8.8 DIN912 electroplated zinc M5x25 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m5x25-20pcs) - [Hexagon socket head cap screw 8.8 DIN912 electroplated M5x6 (250 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-head-bolts/inner-hex-bolt-88-din912-electrolitic-zinc-plated-m5x6-250pcs) - 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