# Buy countersunk head hex socket bolt M6x40 at Autoservice ## Countersunk head hex socket bolt 8.8 zinc plated M6x40 (20 pieces) Fasteners / Bolts / Countersunk head hexagonal Strong M6x40 hex socket bolts with countersunk head, ideal for flush finishes in various applications. ## Prices and stock - **SIN-EV6-40**: € 9,99 incl. VAT — backorder ## Order URL [Countersunk head hex socket bolt 8.8 zinc plated M6x40 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m6x40-20pcs) ## Alternate URLs - **nl**: [Countersunk head hex socket bolt 8.8 zinc plated M6x40 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/verzonkenkop-binnenzeskant/verzonken-kop-binnenzeskantbout-88-verzinkt-m6x40-20st) - **fr**: [Countersunk head hex socket bolt 8.8 zinc plated M6x40 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/tete-fraisee-a-douille-hexagonale/vis-a-tete-fraisee-hc-et-filetage-complet-acier-galvanise-m6x40-20pc) - **en**: [Countersunk head hex socket bolt 8.8 zinc plated M6x40 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m6x40-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8231/conversions/verzonken-kop-binnenzeskantbout-88-verzinkt-m6x40-20st-9512-optimized.jpg) ## Specifications - **Reference**: SIN-EV6-40 ## Product description ### High-quality fastening for various applications These countersunk head hex socket bolts M6x40 are made from steel with a strength class of 8.8, ensuring a reliable and solid connection. Thanks to the electrolytic zinc plating, they are protected against corrosion, significantly extending their lifespan. ### Technical specifications - **Thread size:** M6 - **Length:** 40 mm - **Material:** Steel - **Strength class:** 8.8 - **Surface treatment:** Electrolytically zinc plated - **Standard:** DIN 7991 / ISO 10642 - **Wrench size:** 4 mm - **Head diameter:** 13.44 mm ### Advantages of countersunk head hex socket bolts - **Flush finish:** The countersunk head ensures the bolt sits flush with the surface after installation, resulting in a sleek and professional look. - **Easy installation:** The hex socket (Allen) drive allows you to easily and securely tighten the bolts with an Allen key. - **Durability:** The electrolytic zinc layer provides excellent protection against rust and wear, even in humid conditions. ### Application areas These M6x40 countersunk head hex socket bolts are versatile and can be used in various sectors, including: - **Automotive:** Ideal for mounting body parts and interior components where a flush finish is desired. - **Mechanical engineering:** Suitable for fastening machine parts where precision and strength are required. - **Furniture industry:** Perfect for assembling furniture where the bolts should not be visible for an aesthetic result. ### Packaging and availability These bolts are supplied in sets of 20, making them convenient for both small and larger projects. They are available directly from stock, so you can start your assembly work right away. ### Assembly advice For optimal fastening, it is recommended to tighten the bolts with a 4 mm Allen key. Make sure the surface where you place the bolts is suitable for countersunk heads to ensure a flush finish. With these M6x40 countersunk head hex socket bolts, you choose quality and reliability for all your fastening tasks. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Countersunk head hexagonal](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal) ## Related products - [Countersunk head hex socket bolt 8.8 zinc plated M10x20 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x20-50pcs) - [countersunk hex socket bolt 8.8 zinc plated M10x70 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x70-50pcs) - [Countersunk head hexagon socket bolt 8.8 zinc plated M5x10 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m5x10-20pcs) - [Countersunk head hex socket bolt 8.8 zinc plated M5x35 (100 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m5x35-100pcs) - 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