# Buy countersunk head hex socket bolt M10x40 | Autoservice ## Countersunk head hex socket bolt 8.8 zinc plated M10x40 (50 pieces) Fasteners / Bolts / Countersunk head hexagonal Strong M10x40 hex socket bolts with countersunk head, ideal for neat finishes in various applications. ## Prices and stock - **SIN-EV10-40-BULK**: € 60,84 incl. VAT — 1 in stock ## Order URL [Countersunk head hex socket bolt 8.8 zinc plated M10x40 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x40-50pcs) ## Alternate URLs - **nl**: [Countersunk head hex socket bolt 8.8 zinc plated M10x40 (50 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/verzonkenkop-binnenzeskant/verzonken-kop-binnenzeskantbout-88-verzinkt-m10x40-50st) - **fr**: [Countersunk head hex socket bolt 8.8 zinc plated M10x40 (50 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-m10x40-50pc) - **en**: [Countersunk head hex socket bolt 8.8 zinc plated M10x40 (50 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x40-50pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/8188/conversions/verzonken-kop-binnenzeskantbout-88-verzinkt-m10x40-50st-9469-optimized.jpg) ## Specifications - **Reference**: SIN-EV10-40-BULK ## Product description ### Features of the countersunk head hex socket bolt M10x40 This hex socket bolt with countersunk head has a diameter of M10 and a length of 40 mm. The bolt is made of steel with a strength class of 8.8, which ensures high tensile strength and reliability in various applications. The countersunk head provides a seamless finish, with the head flush with the surface of the material. ### Advantages of the countersunk head hex socket bolt - **Neat finish**: The countersunk head is flush with the surface, providing a smooth and aesthetic finish without protruding parts. - **High tensile strength**: Thanks to the 8.8 strength class, the bolt offers high resistance to breakage and deformation. - **Corrosion resistant**: The electroplated zinc finish protects the bolt against rust and corrosion, extending its lifespan. - **Versatile applications**: Suitable for use in machine building, construction, automotive, and electronics. ### Applications of the countersunk head hex socket bolt These bolts are ideal for situations where a smooth surface is desired and the bolt head must not protrude. They are often used in: - **Machine building**: For mounting parts where a neat finish is required. - **Construction**: In steel structures where the bolts must not be visible. - **Automotive**: For fastening parts in cars where a smooth finish is important. - **Electronics**: In the assembly of devices where space is limited and protruding parts must be avoided. ### Specifications - **Diameter**: M10 - **Length**: 40 mm - **Material**: Steel - **Strength class**: 8.8 - **Finish**: Electroplated zinc - **Head type**: Countersunk head - **Drive**: Hex socket (Allen) ### Installation and use For proper installation, it is important to pre-drill and countersink the material with a countersink drill. This ensures the bolt fits fully and evenly into the surface. Use a suitable Allen key to tighten the bolt to prevent damage to the drive. ### Packaging This set contains 50 pieces of countersunk head hex socket bolts M10x40, sufficient for various projects and applications. ## 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 M10x100 (10 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x100-10pcs) - [Countersunk hex socket bolt 8.8 zinc plated M10x40 (10 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m10x40-10pcs) - [Countersunk head hex socket bolt 8.8 zinc plated M5x20 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/countersunk-head-hexagonal/countersunk-head-hexagonal-bolt-88-zinc-plated-m5x20-20pcs) - 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