# Buy Hex bolt 8.8 DIN931 M10x40 at Autoservice ## Hex bolt 8.8 DIN931 electrolytically galvanized M10x40 (20 pieces) Fasteners / Bolts / Hex bolts High-quality M10x40 hex bolts, grade 8.8, electrolytically galvanized for optimal corrosion protection. ## Prices and stock - **SIN-B10-40**: € 13,43 incl. VAT — backorder ## Order URL [Hex bolt 8.8 DIN931 electrolytically galvanized M10x40 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m10x40-20pcs) ## Alternate URLs - **nl**: [Hex bolt 8.8 DIN931 electrolytically galvanized M10x40 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/zeskantbouten/zeskantbout-88-din931-electrolitisch-verzinkt-m10x40-20st) - **fr**: [Hex bolt 8.8 DIN931 electrolytically galvanized M10x40 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-hexagonaux/vis-a-tete-hexagonale-88-din931-electrozingue-m10x40-20pc) - **en**: [Hex bolt 8.8 DIN931 electrolytically galvanized M10x40 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m10x40-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/7270/conversions/zeskantbout-88-din931-electrolitisch-verzinkt-m10x40-20st-8545-optimized.jpg) ## Specifications - **Reference**: SIN-B10-40 ## Product description ### Robust hex bolt for various applications This hex bolt with dimensions M10x40 is made from grade 8.8 steel, ensuring high tensile strength and reliability in a wide range of constructions. The electrolytically galvanized finish provides excellent protection against corrosion, making this bolt ideal for both indoor and outdoor use. ### Technical specifications - **Diameter** : M10 - **Length** : 40 mm - **Quality grade** : 8.8 - **Surface treatment** : Electrolytically galvanized - **Standard** : DIN 931 / ISO 4014 - **Wrench size** : 17 mm - **Head height** : 6.4 mm ### Versatile use Thanks to its robust properties and corrosion-resistant finish, this hex bolt is suitable for various applications, including: - **Construction sector** : Fastening steel structures and frames. - **Automotive** : Assembly of parts where high tensile strength is required. - **Mechanical engineering** : Assembly of machines and equipment. ### Installation tips For optimal installation and performance: - Use a wrench with a width of 17 mm for tightening. - Ensure the mounting surface is clean and free of debris. - When mounting in metal parts, it is recommended to pre-drill or tap a suitable hole according to the M10 thread size. ### Durability and reliability The combination of grade 8.8 steel and the electrolytically galvanized finish ensures long service life and reliable performance, even in damp or corrosive environments. This makes the hex bolt a reliable choice for professionals who value quality and durability in their fasteners. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Bolts](https://www.auto-service.be/en/fasteners/bolts) - [Hex bolts](https://www.auto-service.be/en/fasteners/bolts/hex-bolts) ## Related products - [Hexagon bolt 8.8 DIN931 electrolytically galvanized M10x60 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m10x60-20pcs) - [Hexagon bolt 8.8 DIN931 electrolytically galvanized M10x90 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m10x90-20pcs) - [Hex bolt 8.8 DIN931 electrolytically galvanized M14x140 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m14x140-5pcs) - [Hex bolt 8.8 DIN931 electrolytically galvanized M24x70 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m24x70-5pcs) - 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