# Buy countersunk head hex socket bolt M5x40 - Autoservice ## Countersunk head hex socket bolt M5x40 8.8 zinc plated Fasteners / Bolts / Countersunk head hexagonal High-quality M5x40 hex socket bolt with countersunk head, ideal for flush finish and strong connections. ## Prices and stock - **SIN-EV5-40**: € 9,76 incl. VAT — 1 in stock ## Order URL [Countersunk head hex socket bolt M5x40 8.8 zinc plated](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m5x40-20pcs) ## Alternate URLs - **nl**: [Countersunk head hex socket bolt M5x40 8.8 zinc plated](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/verzonkenkop-binnenzeskant/verzonken-kop-binnenzeskantbout-88-verzinkt-m5x40-20st) - **fr**: [Countersunk head hex socket bolt M5x40 8.8 zinc plated](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-m5x40-20pc) - **en**: [Countersunk head hex socket bolt M5x40 8.8 zinc plated](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m5x40-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8215/conversions/verzonken-kop-binnenzeskantbout-88-verzinkt-m5x40-20st-9496-optimized.jpg) ## Specifications - **Reference**: SIN-EV5-40 ## Product description ### Precision and Strength for Your Applications This countersunk head hex socket bolt M5x40 is made from steel with a strength class of 8.8, ensuring a reliable and durable connection in various applications. The electrolytic zinc plating provides extra protection against corrosion, making the bolt suitable for both indoor and outdoor use. ### Technical Specifications - **Thread size:** M5 - **Length:** 40 mm - **Strength class:** 8.8 - **Surface treatment:** Electrolytically zinc plated - **Head shape:** Countersunk head - **Drive:** Hex socket (Allen) size 3 mm - **Head diameter:** 10 mm - **Head height:** 2.8 mm - **Thread length:** 16 mm ### Advantages of the Countersunk Head The countersunk head ensures a flush finish, so the bolt does not protrude after installation. This is especially useful in applications where a smooth surface is desired, such as in the automotive sector and furniture assembly. ### Application Possibilities This hex socket bolt is ideal for: - **Automotive applications:** Fastening parts where a flush finish is required. - **Furniture assembly:** Ensures a sleek and neat finish without protruding parts. - **Machine construction:** Suitable for structures where precision and strength are essential. ### Compatibility and Accessories For optimal fastening, it is recommended to combine this bolt with: - **M5 nuts:** For a strong and secure connection. - **Matching washers:** To distribute pressure evenly and protect the material. ### Quality and Standards This bolt complies with DIN 7991 and ISO 10642 standards, ensuring high quality and reliability in various applications. ### Maintenance and Use Thanks to the zinc plating, the bolt is highly resistant to corrosion. However, for optimal lifespan, it is recommended not to expose the bolt to extreme humidity or aggressive chemicals. With this countersunk head hex socket bolt M5x40, you choose a reliable and aesthetically responsible fastening solution that meets the highest quality standards. ## 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 M10x60 (10 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x60-10pcs) - [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) - [Countersunk hex socket bolt 8.8 zinc plated M8x45 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m8x45-20pcs) - 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