# Buy Hex bolt 8.8 DIN931 M4x30 at Autoservice ## Hex bolt 8.8 DIN931 electrolytically galvanized M4x30 (20 pieces) Fasteners / Bolts / Hex bolts High-quality M4x30 hex bolt with strength class 8.8 and electrolytic galvanization for optimal performance. ## Prices and stock - **SIN-B4-30**: € 7,- incl. VAT — 33 in stock ## Order URL [Hex bolt 8.8 DIN931 electrolytically galvanized M4x30 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hex-bolt-88-din931-electrolitic-zinc-plated-m4x30-20pcs) ## Alternate URLs - **nl**: [Hex bolt 8.8 DIN931 electrolytically galvanized M4x30 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/zeskantbouten/zeskantbout-88-din931-electrolitisch-verzinkt-m4x30-20st) - **fr**: [Hex bolt 8.8 DIN931 electrolytically galvanized M4x30 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-hexagonaux/vis-a-tete-hexagonale-88-din931-electrozingue-m4x30-20pc) - **en**: [Hex bolt 8.8 DIN931 electrolytically galvanized M4x30 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hex-bolt-88-din931-electrolitic-zinc-plated-m4x30-20pcs) ## Images - ![Product image](https://www.auto-service.be/assets/media/7572/conversions/zeskantbout-88-din931-electrolitisch-verzinkt-m4x30-20st-8848-optimized.jpg) ## Specifications - **Reference**: SIN-B4-30 ## Product description ### Robust hex bolt for reliable connections This hex bolt with dimensions M4x30 is made from high-quality steel and has a strength class of 8.8. This guarantees excellent tensile strength and durability, essential for strong and reliable connections in various applications. ### Electrolytically galvanized finish for extra protection The bolt is electrolytically galvanized, providing a protective layer against corrosion. This makes the bolt suitable for use in environments where moisture and other corrosive elements are present, extending the lifespan of your constructions. ### Precise dimensions for a perfect fit - **Diameter (d):** M4 - **Length (L):** 30 mm - **Wrench size (s):** 7 mm - **Head height (k):** 2.8 mm - **Thread pitch (P):** 0.7 mm These precise dimensions ensure a perfect fit and easy assembly in your projects. ### Complies with international standards This hex bolt complies with DIN 931 and ISO 4014 standards, ensuring consistency and compatibility with other fasteners. This makes it easy to integrate the bolt into existing systems and constructions. ### Versatile for various applications Thanks to the combination of strength, corrosion resistance, and precise dimensions, this hex bolt is ideal for: - **Automotive applications:** Fastening parts in cars. - **Construction projects:** Structures and frames. - **Machine building:** Assembly of machines and equipment. ### Packaging and availability These hex bolts are supplied in sets of 20 pieces, so you have enough stock for your projects. They are immediately available and ready for use in your next job. ### Technical specifications at a glance - **Material:** Steel - **Strength class:** 8.8 - **Surface treatment:** Electrolytically galvanized - **Standardization:** DIN 931 / ISO 4014 - **Thread direction:** Right - **Thread type:** Metric With this hex bolt, you choose a reliable and durable solution for all your fastening needs. ## 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 - [Hex bolt 8.8 DIN931 M12x80 electroplated zinc](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m12x80-20pcs) - [Hexagon bolt 8.8 DIN931 electrolytically galvanized M14x200 (25 pieces)](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hex-bolt-88-din931-electrolitic-zinc-plated-m14x200-25pcs) - [Hexagon bolt 8.8 DIN931 electrolytically galvanized M20x70](https://www.auto-service.be/en/fasteners/bolts/hex-bolts/hexagonal-bolt-88-din931-electrolitic-zinc-plated-m20x70-5pcs) - 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