# Buy Hex Bolt 8.8 DIN 933 M4x25 at Autoservice

## Hex bolt 8.8 DIN 933 electrolytically galvanized M4x25 (20 pieces)

Fasteners / Bolts / Hexagon tapping bolts

High-quality M4x25 hex bolt, class 8.8, electrolytically galvanized for optimal corrosion protection.

## Prices and stock

- **SIN-C4-25**: € 6,48 incl. VAT — 2 in stock

## Order URL

[Hex bolt 8.8 DIN 933 electrolytically galvanized M4x25 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m4x25-20pcs)

## Alternate URLs

- **nl**: [Hex bolt 8.8 DIN 933 electrolytically galvanized M4x25 (20 pieces)](https://www.auto-service.be/nl/bevestigingsmateriaal/bouten/zeskant-tapbouten/tapbout-88-din-933-electrolitisch-verzinkt-m4x25-20st)
- **fr**: [Hex bolt 8.8 DIN 933 electrolytically galvanized M4x25 (20 pieces)](https://www.auto-service.be/fr/materiel-de-fixation/boulons/boulons-a-tete-hexagonale/boulons-hexagonaux-88-din-933-acier-zingue-m4x25-20pc)
- **en**: [Hex bolt 8.8 DIN 933 electrolytically galvanized M4x25 (20 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m4x25-20pcs)

## Images

- ![Product image](https://www.auto-service.be/assets/media/6300/conversions/tapbout-88-din933-electrolitisch-verzinkt-m4x25-20st-7541-optimized.jpg)

## Specifications

- **Reference**: SIN-C4-25

## Product description

### Robust hex bolt for reliable connections

This hex bolt with hexagonal head is made from high-quality steel and has a strength class of 8.8. This makes the bolt suitable for applications where high tensile and shear forces occur. The full metric thread runs up to under the head, ensuring a strong and reliable connection.

### Specifications

- **Diameter** : M4
- **Length** : 25 mm
- **Wrench size** : 7 mm
- **Head height** : 2.8 mm
- **Thread specification** : Metric, pitch 0.7 mm
- **Material** : Steel, class 8.8
- **Surface treatment** : Electrolytically galvanized
- **Standard** : DIN 933 / ISO 4017

### Advantages of electrolytic galvanization

The electrolytic galvanization provides excellent protection against corrosion, significantly extending the lifespan of the bolt. This is especially important in environments where moisture and other corrosive elements are present.

### Applications

This hex bolt is ideal for various applications in the automotive sector, such as:

- Fastening engine parts
- Mounting body components
- Securing suspension systems

### Compatibility with nuts and washers

For optimal fastening, it is recommended to combine this hex bolt with matching nuts and washers, such as:

- Hex nut DIN 934-8 M4 galvanized
- Flat washer DIN 125A M4 galvanized
- Spring washer DIN 127B M4 galvanized

By using the right combination of fastening materials, you ensure a safe and durable assembly.

### Quality guarantee

This hex bolt meets the DIN 933 and ISO 4017 standards, ensuring consistency in dimensions and quality. The class 8.8 designation indicates that the bolt has a high tensile strength, suitable for demanding applications.

### Packaging

The hex bolts are supplied in sets of 20 pieces, conveniently packaged for both professional use and DIY projects. This way, you always have enough bolts on hand for your assembly work.

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## Related products

- [Hex bolt 8.8 DIN 933 electrolytically galvanized M20x140 (25 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m20x140-25pcs)
- [Hex bolt 8.8 DIN 933 electrolytically galvanized M20x55 (5 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m20x55-5pcs)
- [Electrolytically galvanized hexagon bolt DIN 933 M27x100 grade 8.8](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m27x100-10pcs)
- [Hex bolt 8.8 DIN 933 electrolytically galvanized M8x65 (200 pieces)](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stud-bolt-88-din-933-electrolitic-zinc-plated-m8x65-200pcs)
- [Stainless steel A2 hex bolt DIN 933 M12x30 with hex head](https://www.auto-service.be/en/fasteners/bolts/hexagon-tapping-bolts/stainless-steel-a2-stud-din933-m12x30-100pcs)

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