# Buy hexagon head screw M4x40 at Autoservice ## Hexagon head screw M4x40 with full thread Fasteners / Bolts / Hexagon tapping bolts Electrolytically zinc-plated M4x40 hexagon head screw with full thread and strength class 8.8. ## Prices and stock - **SIN C4-40**: € 6,73 incl. VAT — 1 in stock ## Order URL [Hexagon head screw M4x40 with full thread](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-m4x40-20pcs) ## Alternate URLs - **nl**: [Hexagon head screw M4x40 with full thread](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/zeskant-tapbouten/tapbout-m4x40-20st) - **fr**: [Hexagon head screw M4x40 with full thread](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-a-tete-hexagonale/boulon-de-taraudage-m4x40-20-pieces) - **en**: [Hexagon head screw M4x40 with full thread](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-m4x40-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/4037/conversions/tapbout-m4x40-20st-161241-optimized.jpg) ## Specifications - **Reference**: SIN C4-40 - **EAN**: 8718953042948 ## Product description ### High-quality hexagon head screw for reliable connections This M4x40 hexagon head screw is made of steel with a strength class of 8.8, ensuring a strong and durable fastening. The electrolytic zinc coating provides an extra protective layer against corrosion, making the bolt suitable for various applications. ### Specifications according to DIN 933 - **Diameter** : M4 - **Length** : 40 mm - **Head height** : 2.8 mm - **Wrench size** : 7 mm - **Thread type** : Metric thread - **Thread direction** : Right - **Surface treatment** : Electrolytically zinc-plated ### Versatile use in various sectors Thanks to the full thread and hexagon head, this screw is ideal for connecting and fastening parts in different sectors, including the automotive industry. The bolt complies with DIN 933 and ISO 4017 standards, ensuring consistency and reliability. ### Advantages of electrolytically zinc-plated hexagon head screws - **Corrosion resistance** : The zinc-plated finish protects against rust formation. - **High tensile strength** : With a class of 8.8, the bolt offers excellent strength for heavy-duty applications. - **Easy assembly** : The hexagon head allows the bolt to be easily tightened with standard tools. ### Applications in the automotive sector In the automotive sector, these hexagon head screws are often used for: - Fastening engine components - Mounting bodywork components - Installing suspension systems The reliability and strength of these bolts make them indispensable for professionals striving for quality and durability in their work. ### Quality and compliance This hexagon head screw meets the following standards: - **DIN** : 933 - **ISO** : 4017 - **ASME** : B18.2.3.1M - **NF** : E25-114 By choosing this hexagon head screw, you are assured of a product that meets international quality standards and is suitable for various applications. ## Breadcrumbs - 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