# Buy Sinatec carriage bolt M8x40 mm at Autoservice ## Sinatec carriage bolt electrolytically galvanized M8x40 mm with nut (20 pieces) Fasteners / Bolts / Lock bolts Sturdy M8x40 mm carriage bolts from Sinatec, electrolytically galvanized for optimal protection, including nuts. ## Prices and stock - **SIN-BC8-40**: € 8,61 incl. VAT — backorder ## Order URL [Sinatec carriage bolt electrolytically galvanized M8x40 mm with nut (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolitic-zinc-plated-m8x40-20pcs) ## Alternate URLs - **nl**: [Sinatec carriage bolt electrolytically galvanized M8x40 mm with nut (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/slotbouten/slotbout-electrolitisch-verzinkt-m8x40-20st) - **fr**: [Sinatec carriage bolt electrolytically galvanized M8x40 mm with nut (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/les-boulons-de-verrouillage/boulon-de-carrosserie-electrozingue-m8x40-20pc) - **en**: [Sinatec carriage bolt electrolytically galvanized M8x40 mm with nut (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolitic-zinc-plated-m8x40-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/7861/conversions/slotbout-electrolitisch-verzinkt-m8x40-20st-9137-optimized.jpg) ## Specifications - **Reference**: SIN-BC8-40 ## Product description ### Robust fastening for various applications These Sinatec carriage bolts with nut are ideal for securely connecting wooden and metal constructions. Thanks to the electrolytic galvanization, they are excellently protected against corrosion, which significantly extends their lifespan. ### Technical specifications - **Diameter** : M8 - **Length** : 40 mm - **Material** : Steel, electrolytically galvanized - **Quality class** : 4.8 - **Standard** : DIN 603/555 - **Head shape** : Low dome head with square neck ### Advantages of electrolytically galvanized carriage bolts The electrolytic galvanization provides a smooth finish and increased resistance to rust. This makes the bolts suitable for both indoor and outdoor applications, without having to worry about rapid wear due to weather conditions. ### Application possibilities These carriage bolts are versatile for use in, among others: - Wooden constructions such as canopies and gates - Metal constructions and machine building - Fastening of fittings and hinges The square neck under the head ensures that the bolt does not turn while tightening the nut, making assembly easier. ### Packaging and contents Each package contains 20 carriage bolts of M8x40 mm, complete with matching nuts. This ensures you have the right quantity for your project right away, without needing to purchase extra parts. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Lock bolts](https://www.auto-service.be/en/fasteners/bolts/lock-bolts) ## Related products - [Carriage bolt electrolytically galvanized M10x70 with hex nut](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolitic-zinc-plated-m10x70-100pcs) - [Carriage bolt electrolytically galvanized M12x240 with nut](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolytic-zinc-plated-m12x240-25pcs) - [Electrolytically galvanized carriage bolt M6x110 with hex nut](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolytic-zinc-plated-m6x110-20pcs) - [Carriage bolt electrolytically galvanized M8x16 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/lock-bolts/carriage-bolt-electrolitic-zinc-plated-m8x16-20pcs) - 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