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- Terms and conditions
Quantity | Unit Price (ex. VAT) |
Unit Price (inc. VAT) |
---|---|---|
1 - 100 | £0.89 | £0.89 |
100 - 499 | £0.82 | £0.82 |
500 - 999 | £0.73 | £0.73 |
1000 - 4999 | £0.65 | £0.65 |
5000 + | £0.53 | £0.53 |
Product Stock

Product Specifications
HCS10642-M8-90-A4-70- Thread Size
- M8
- Material
- A4-70
- Head Diameter
- 17.92mm
- Length
- 90mm
- Drive
- H5
- Standard
- ISO 10642
- Pitch
- 1.25mm
- Head Height
- 4.96mm
- Head Style
- Countersunk

Same Day Dispatch Available
| Order by 4.00pm (UK) for same day dispatch (Monday – Thursday, 2.00pm Friday). Next Day or Standard Delivery available via DHL or Royal Mail.
Frequently Bought Together

Specifications
Thread Size | M8 |
Material | A4 |
Height | 4mm |
Thread Pitch | 1.25mm |
Across Flats | 13mm |
Standard | DIN 439 |

Specifications
Thread Size | M8 |
Material | A4-80 |
Height | 8mm |
Thread Pitch | 1.25mm |
Across Flats | 13mm |
Standard | DIN 985 |

Specifications
Material | A4 |
Thickness | 1.8mm |
Internal Diameter | 8.4mm |
Outside Diameter | 16mm |
Standard | DIN 125A |
Size | M8 |
Total Price: £0.00
Product Description
M8 x 90mm - Hex Socket Countersunk Screws ISO 10642 - A4 Stainless Steel | Vital Parts - HCS10642-M8-90-A4-70
Our Hex Socket Countersunk Screws, also known as Allen Key Countersunk Screws, are designed for applications requiring a flush and secure fastening solution. These screws are ideal for use in mechanical assemblies, electronic enclosures, and structural frameworks where a smooth surface is necessary to prevent snagging or interference. The screws feature a countersunk head for flush fitting, a hexagonal socket drive for easy tightening, and a fully threaded shaft for strong and reliable fastening.
What Are Hex Socket Countersunk Screws?
Hex Socket Countersunk Screws are precision-engineered fasteners designed to sit flush within a pre-countersunk recess. This makes them an ideal choice for applications requiring a smooth, seamless surface. The hexagonal socket drive enables easy tightening with an Allen key, ensuring a secure hold while reducing the risk of tool slippage. Made from high-grade A4 stainless steel, these screws provide superior resistance to rust, oxidation, and harsh environmental conditions, making them suitable for both indoor and outdoor applications.
Key Features:
- Thread Size - M8
- Length - 90mm
- Pitch - 1.25mm
- Head Diameter - 17.92mm
- Head Height - 4.96mm
- Drive - H5
- Manufactured to ISO 10642 standards for precision and reliability
- Flush countersunk head design for a smooth finish
- Hex socket drive for easy installation and secure fastening
- Fully threaded shaft for superior holding power
- Available in various metric sizes to suit different applications
Applications:
Our Hex Socket Countersunk Screws are ideal for:
- Mechanical assemblies where a flush surface is required
- Electronics and electrical enclosures to prevent interference with wiring
- Automotive manufacturing and repair
- Structural and industrial machinery
- Metal fabrication and furniture assembly
- Marine and outdoor applications requiring corrosion-resistant fasteners
Benefits:
- Flush finish prevents snagging and improves aesthetics
- Hex socket drive reduces risk of stripping and allows for high torque application
- Corrosion-resistant stainless steel ensures longevity
- High tensile strength for durability under heavy loads
- Versatile usage across multiple industries and applications
Our Hex Socket Countersunk Screws are a premium fastening solution, designed to meet the highest standards of durability and reliability. Whether for industrial manufacturing, mechanical engineering, or personal DIY projects, these screws offer a robust and secure fixing method that ensures a long-lasting and professional finish. Explore our full range of sizes and materials, or contact our team at 01233 713581 for expert advice on selecting the right fasteners for your needs.
Related Products
Code | Thread Size | Material | Head Diameter | Length | Drive | Standard | Pitch | Head Height | Head Style | Stock | |
---|---|---|---|---|---|---|---|---|---|---|---|
HCS10642-M8-100-A2-70 | M8 | A2-70 | 17.92mm | 100mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-100-A4-70 | M8 | A4-70 | 17.92mm | 100mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-10-A4-70 | M8 | A4-70 | 17.92mm | 10mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-110-A4-70 | M8 | A4-70 | 17.92mm | 110mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-120-A4-70 | M8 | A4-70 | 17.92mm | 120mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-12-A4-70 | M8 | A4-70 | 17.92mm | 12mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-130-A4-70 | M8 | A4-70 | 17.92mm | 130mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-140-A4-70 | M8 | A4-70 | 17.92mm | 140mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-14-A2-70 | M8 | A2-70 | 17.92mm | 14mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-14-A4-70 | M8 | A4-70 | 17.92mm | 14mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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HCS10642-M8-150-A4-70 | M8 | A4-70 | 17.92mm | 150mm | H5 | ISO 10642 | 1.25mm | 4.96mm | Countersunk |
In Stock
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