MewuDecor
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M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
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M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
MewuDecor hardware has the highest quality on the market. Buy with confidence. Money back or exchange guaranteed.
M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS
Item #: 80020831

M8 x 40mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 10 PCS

88% of respondents would recommend this to a friend

Item #: 80020831

IMP 19

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What Stands Out

High-Quality Material
Crafted from stainless steel 304, these screws offer superior corrosion resistance and durability, ensuring long-lasting performance in various applications.
Precision Design
Designed with a flat head and countersunk feature, these screws provide a flush finish for seamless integration into your projects, reducing the risk of snagging.
Convenient Packaging
Sold in sets of 10, these bolts provide excellent value for both DIY enthusiasts and professionals, ensuring you have the necessary components for your projects without overspending.

Product Details

Shop the best selection of M6-1.0 x 14mm Flat Head Socket Cap Screws made of Stainless Steel 304 at Ubuy Isle of Man. Get bright finish DIN 7991 screws with Allen Socket Drive - 25 pcs.
Thread Sizem8-1.25
Exterior FinishPlain
Manufacturer GradeGrade 304
Screw Head StyleFlat
ColorSilver
Fastener TypeMachine Screw
Thread TypeMetric
Thread StyleRight Hand
Item HardnessGrade 304
Head TypeFlat
Screw Point StyleFlat Point
Compatible Groove Diameter5 millimeters
Drive SystemInternal Hex
Set Screw Thread TypeMetric
Material TypeStainless Steel
Metal TypeStainless Steel
Finish TypesBright Finish
Item Diameter8 millimeters
Size NameM8 x 40mm
Number of Pieces10
Fastener SizeM8
Thread CoverageFully Threaded
Outside Diameter8 millimeters
BrandMewuDecor
Unit Count10 Count
ManufacturerMewuDecor
Number Of Items10
ModelFHSS.M8X40-10
Part NumberFHSS.M8X40-10
MaterialStainless Steel
Head StyleFlat
Item Weight0.7 lbs (320 grams)

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Ideal for home projects that require durable and corrosion-resistant fasteners, ensuring a reliable assembly.

  • Machinists and Builders

    Provides strong holding power in mechanical assemblies, making them suitable for precision engineering tasks.

  • Furniture Makers

    Perfect for countersinking applications in wood or metal furniture, delivering a clean and finished look.

Not Suitable For
  • High Load Applications

    Not suitable for projects with extreme weight or stress, requiring heavier-duty fasteners for safety.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are M6-1.0 x 18mm Flat Head Socket Cap Screws used for?

    Answer: M6-1.0 x 18mm Flat Head Socket Cap Screws are essential fasteners commonly used in various applications, especially where a flush finish is needed. These screws are ideal for furniture assembly, machinery construction, and automotive projects. Their flat head design allows them to sit flush with the surface, providing a neat appearance. Additionally, the Allen socket drive provides better torque and minimizes the risk of stripping compared to standard screws, making them a preferred choice for precise installations.
  • Question: What material are these screws made from?

    Answer: These screws are made from Stainless Steel 18-8 (304), which offers excellent corrosion resistance and durability. This material maintains its integrity in various environments, from indoor settings to outdoor applications, where moisture and humidity might be present. Its bright finish not only adds to the aesthetic appeal but also enhances resistance against wear and tear. This makes these screws suitable for projects like outdoor furniture, marine applications, and automotive parts.
  • Question: Are these screws suitable for outdoor use?

    Answer: Yes, the M6-1.0 x 18mm Flat Head Socket Cap Screws made from Stainless Steel 18-8 (304) are well-suited for outdoor applications. Their corrosion-resistant properties ensure they can withstand exposure to moisture and various weather conditions. This durability makes them perfect for outdoor furniture assembly, deck installations, and securing fixtures in gardens or patio areas, ensuring long-lasting performance without rust or degradation.
  • Question: What tools are needed to install these screws?

    Answer: To install M6-1.0 x 18mm Flat Head Socket Cap Screws, you will need an Allen wrench or hex key that matches the screw's drive size. This tool allows you to properly engage the socket drive, providing maximum torque for tightening. Using the correct tool not only ensures a secure fit but also prevents stripping the head of the screw. These screws are frequently used in DIY projects, furniture assembly, or machinery where precision is crucial.
  • Question: How many screws come in a pack?

    Answer: Each pack contains 25 pieces of M6-1.0 x 18mm Flat Head Socket Cap Screws. This quantity is convenient for both small-scale projects and larger undertakings, allowing for multiple uses without needing to purchase additional supplies. Having extra screws on hand can also be beneficial if replacements are needed during assembly or maintenance tasks, making these kits practical for both hobbyists and professionals.
  • Question: What is the diameter and thread pitch of these screws?

    Answer: The M6 designation refers to a diameter of 6mm, while the thread pitch is 1.0mm. This standardized sizing ensures compatibility with various nuts and components, making it easier to incorporate these screws into existing setups or new project designs. This specification is essential when selecting nuts or threaded holes to ensure proper fit and function in applications ranging from automotive assembly to mechanical engineering.
  • Question: Can these screws be used with other materials?

    Answer: Absolutely! M6-1.0 x 18mm Flat Head Socket Cap Screws can be used with a range of materials, such as wood, plastic, and metal. They are especially effective when used with pre-tapped holes or nuts, allowing for a secure connection. This versatility makes them a great choice in various applications including furniture, machinery assembly, and even electronic enclosures where reliable fastening is needed.
  • Question: What is the advantage of using a flat head screw?

    Answer: Flat head screws offer several advantages, including their flush finish for aesthetics and reduced snagging. The design allows them to sit smoothly against the surface of the material, making them ideal for applications where a clean look is necessary. Additionally, they distribute load over a wider area, which can enhance the stability of joints in furniture or machinery installations. This unique feature makes them highly preferred in visible applications.
  • Question: Where can I buy M6-1.0 x 18mm Flat Head Socket Cap Screws in Isle of Man?

    Answer: You can purchase M6-1.0 x 18mm Flat Head Socket Cap Screws at Ubuy. Ubuy offers a wide variety of fasteners, including these stainless steel screws, ensuring you can find the specific quantities and types you need for your projects. With user-friendly shopping features and quick access to product information, Ubuy is a convenient destination for your hardware supplies in Isle of Man.

MewuDecor Socket Head Screws Editorial Review

M8-1.25 x 20mm Flat Head Socket Cap Screws Bolts Countersunk Bolts, Stainless Steel 304, Bright Finish, DIN 7991, Allen Socket Drive, 25 PCS feature excellent rust resistance, making them ideal for various applications, including motorcycle builds. Users have reported the high quality and strong performance of these screws, appreciating their good fit and functionality. Although some experienced minor issues with the packaging, the overall feedback highlights their practicality and ease of use in multiple settings, such as attaching components like L tracks.

Customer Reviews & Ratings

813 customers ratings
  • 5 Star
    83%
  • 4 Star
    8%
  • 3 Star
    5%
  • 2 Star
    1%
  • 1 Star
    3%

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Pros

  • High rust resistance for durability
  • Excellent quality and value reported
  • Flat head design for flush fitting
  • Compatible with M6 rivnuts for versatility
  • Good for various applications like motorcycle builds

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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IMP 19

Order now and get it around Wednesday, September 30

QTY:

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Features & Benefits

  • High-quality stainless steel 304 construction for durability.
  • Flat head design allows for flush mounting in various applications.
  • Includes 10 flat head socket cap screws for your convenience.
  • Hex drive type for easy installation with a 5mm Allen wrench.
  • Corrosion and chemical resistance make them ideal for wet environments.
  • Backed by a money-back or exchange guarantee for your peace of mind.

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