# Buy round head M4x20 metal screw at Autoservice ## Metal screw round head Philips drive electrolytically galvanized M4x20 (20 pieces) Fasteners / Screws / Metal screw round head cross M4x20 metal screw with round head and Philips drive, electrolytically galvanized for optimal protection. ## Prices and stock - **SIN-U4-20**: € 5,14 incl. VAT — 16 in stock ## Order URL [Metal screw round head Philips drive electrolytically galvanized M4x20 (20 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/metal-screw-round-head-philipsdrive-electrolitic-zinc-plated-m4x20-20pcs) ## Alternate URLs - **nl**: [Metal screw round head Philips drive electrolytically galvanized M4x20 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/schroeven/metaalschroef-bolkop-kruis/metaalschroef-bolkop-philipsdrive-electrolitisch-verzinkt-m4x20-20st) - **fr**: [Metal screw round head Philips drive electrolytically galvanized M4x20 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/vis/croix-a-tete-spherique-a-vis-metallique/vis-a-metaux-tete-ronde-philipsdrive-electrozingue-m4x20-20pc) - **en**: [Metal screw round head Philips drive electrolytically galvanized M4x20 (20 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/metal-screw-round-head-philipsdrive-electrolitic-zinc-plated-m4x20-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/9819/conversions/metaalschroef-bolkop-philipsdrive-electrolitisch-verzinkt-m4x20-20st-11119-optimized.jpg) ## Specifications - **Reference**: SIN-U4-20 ## Product description ### High-quality metal screws for various applications These metal screws with round head and Philips drive are ideal for fastening metal sheet material and switchgear. Thanks to the electrolytic galvanization, they offer excellent protection against corrosion. ### Specifications - **Diameter** : M4 - **Length** : 20 mm - **Head type** : Round head - **Drive** : Philips drive - **Material** : Steel grade 4.8 - **Surface treatment** : Electrolytically galvanized - **Standard** : DIN 7985H ### Benefits of electrolytically galvanized screws - **Corrosion resistance** : The electrolytic zinc layer protects the steel against rust formation. - **Aesthetically appealing** : The galvanized finish provides a shiny and professional appearance. - **Durability** : Increases the lifespan of the screws, even in humid environments. ### Applications These screws are suitable for: - Fastening metal sheet material - Mounting switchgear - Installing junction boxes ### Installation instructions For optimal fastening: - Use a 4.0 mm metal drill for pre-drilling. - Use a Phillips screwdriver bit to tighten the screws. ### Packaging This set contains 20 metal screws, sufficient for various projects and applications. ## Breadcrumbs - [Fasteners](https://www.auto-service.be/en/fasteners) - [Screws](https://www.auto-service.be/en/fasteners/screws) - [Metal screw round head cross](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross) ## Related products - [Stainless steel A2 machine screw DIN7985H pan head Philips drive M6x30 (20 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/stainless-steel-a2-metal-screw-din7985h-round-head-philipsdrive-m6x30-20pcs) - [Stainless steel A2 machine screw DIN7985H round head Philips drive M8x50 (100 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/stainless-steel-a2-metal-screw-din7985h-round-head-philipsdrive-m8x50-100pcs) - [metal screw round head Philips drive electrolytically galvanized M3x30 200 pieces](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/metal-screw-round-head-philipsdrive-electrolitic-zinc-plated-m3x30-200pcs) - [Metal screw round head Philips drive electrolytically galvanized M4x50 (20 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/metal-screw-round-head-philipsdrive-electrolitic-zinc-plated-m4x50-20pcs) - [Metal screw round head Philips drive electrolytically galvanized M6x70 (20 pieces)](https://www.auto-service.be/en/fasteners/screws/metal-screw-round-head-cross/metal-screw-round-head-philipsdrive-electrolitic-zinc-plated-m6x70-20pcs) ## Webshop catalogue - [Car Cleaning](https://www.auto-service.be/en/car-cleaning) - [Exterior](https://www.auto-service.be/en/car-cleaning/exterior) - [Car Shampoo](https://www.auto-service.be/en/car-cleaning/car-shampoo) - [Interior](https://www.auto-service.be/en/car-cleaning/interior) - [Leather upholstery](https://www.auto-service.be/en/car-cleaning/leather-upholstery) - [Rims & tires](https://www.auto-service.be/en/car-cleaning/rims-tires) - [Polishing](https://www.auto-service.be/en/car-cleaning/polishing) - [Windows](https://www.auto-service.be/en/car-cleaning/windows) - [Wax & protect](https://www.auto-service.be/en/car-cleaning/wax-protect) - [Scratch treatment](https://www.auto-service.be/en/car-cleaning/scratch-treatment) - [Accessories](https://www.auto-service.be/en/car-cleaning/accessories) - 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