# Buy countersunk head hex socket bolt M8x40 | Autoservice ## Countersunk head hex socket bolt 8.8 zinc plated M8x40 (100 pieces) Fasteners / Bolts / Countersunk head hexagonal Strong M8x40 hex socket bolts with countersunk head, ideal for flush finish and strong connections. ## Prices and stock - **SIN-EV8-40-BULK**: € 54,30 incl. VAT — 3 in stock ## Order URL [Countersunk head hex socket bolt 8.8 zinc plated M8x40 (100 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m8x40-100pcs) ## Alternate URLs - **nl**: [Countersunk head hex socket bolt 8.8 zinc plated M8x40 (100 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/verzonkenkop-binnenzeskant/verzonken-kop-binnenzeskantbout-88-verzinkt-m8x40-100st) - **fr**: [Countersunk head hex socket bolt 8.8 zinc plated M8x40 (100 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-m8x40-100pc) - **en**: [Countersunk head hex socket bolt 8.8 zinc plated M8x40 (100 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m8x40-100pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8252/conversions/verzonken-kop-binnenzeskantbout-88-verzinkt-m8x40-100st-9533-optimized.jpg) ## Specifications - **Reference**: SIN-EV8-40-BULK ## Product description ### High-quality hex socket bolts for strong connections These countersunk head hex socket bolts of strength class 8.8 are designed for applications where a strong and reliable connection is required. With a metric thread size of M8 and a length of 40 mm, they offer the perfect balance between strength and flexibility. ### Technical specifications - **Thread size:** M8 - **Length:** 40 mm - **Strength class:** 8.8 - **Material:** Steel - **Surface treatment:** Zinc plated - **Head shape:** Countersunk head - **Drive:** Hex socket (Allen) 5 mm - **Standard:** DIN 7991 / ISO 10642 ### Advantages of countersunk head hex socket bolts - **Flush finish:** The countersunk head ensures seamless integration into the material, resulting in a sleek and professional appearance. - **High strength:** Thanks to the 8.8 strength class, these bolts are suitable for applications requiring high tensile strength. - **Corrosion resistant:** The zinc-plated finish provides extra protection against rust and corrosion, extending the lifespan of the bolts. ### Applications in the automotive sector In the automotive industry, these hex socket bolts are often used for: - **Fastening body parts:** Ensures a strong and invisible connection of panels and other components. - **Mounting engine parts:** Suitable for securing parts where high tensile strength is required. - **Interior installations:** Ideal for mounting interior components where a flush finish is desired. ### Installation and use For optimal installation: - Use a 5 mm Allen key to tighten the bolts. - Ensure the drilled hole is clean and free of debris for a secure fastening. - Tighten the bolts to the recommended torque to ensure the integrity of the connection. ### Packaging and availability These hex socket bolts are supplied in sets of 100 pieces, making them suitable for both small and large projects. They are immediately available for use in various applications within the automotive sector. ### Quality and compliance Our hex socket bolts comply with DIN 7991 and ISO 10642 standards, ensuring consistency and reliability in every bolt. The combination of high-quality materials and precise manufacturing processes ensures you can rely on the performance of these bolts in all your projects. ## 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 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 hex socket bolt 8.8 zinc-plated M6x12 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m6x12-20pcs) - [Countersunk head hex socket bolt 8.8 zinc plated M6x30 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m6x30-20pcs) - 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