NIULUNBAO
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M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded, 50PCS
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M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded, 50PCS
Efficient application performance and durability in a pack of 50 high-quality screws.
M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded, 50PCS
Item #: 112242346

M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded,

Item #: 112242346

AUD 20

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*All items will import from US

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Efficient application performance and durability in a pack of 50 high-quality screws.
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What Stands Out

High Strength Alloy
Crafted from 10.9 grade alloy steel, these screws offer superior strength and durability, ensuring they withstand demanding applications without deforming or breaking.
Precision Fit
The flat head and hex socket design provide a seamless fit and secure fastening, reducing the risk of slippage and enhancing overall assembly integrity.
Corrosion Resistant
With a black oxide finish, these bolts resist rust and wear, making them ideal for both indoor and outdoor uses, extending the lifespan of your projects.

Product Details

Shop M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded, 50PCS online at a best price in Australia. B0CFYV6KC7
Thread Sizem5-0.8
Exterior FinishBlack Oxide
Manufacturer GradeGrade Alloy
Screw Head StyleFlat
ColorBlack
Fastener TypeHexagon Bolt
Thread StyleRight Hand
Item HardnessRockwell B70
Head TypeFlat
Grade RatingGrade 10.9
Drive SystemExternal Hex
Material TypeAlloy Steel
Metal TypeAlloy Steel
Item Diameter5 Millimeters
Size NameM5-0.8 x 50mm(50PCS)
Number of Pieces50
Fastener SizeM5
Thread CoverageFully Threaded
BrandNIULUNBAO
ManufacturerNIULUNBAO
Part NumberNLBPTHNLJM55050
Unit Count1.0 Count
MaterialAlloy Steel
Head StyleFlat
Item Weight1.5 lbs (680 grams)

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Ideal for hobbyists and DIY projects requiring durable screws for wood, metal, or plastic assemblies.

  • Automotive Repairs

    Suitable for automotive applications where strong, reliable fasteners are essential for securing components.

  • Industrial Use

    Perfect for industrial settings needing high-strength bolts for machinery and structural applications.

Not Suitable For
  • Soft Materials

    Not suitable for applications involving soft materials where the risk of stripping threads is high.

Product Description

M5-0.8 x 50mm Flat Head Hex Socket Cap Screws Countersunk Bolts, 10.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Metric Fully Threaded, 50PCS

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the maximum load capacity of M5-0.8 x 50mm Flat Head Hex Socket Cap Screws?

    Answer: The M5-0.8 x 50mm Flat Head Hex Socket Cap Screws are made from 10.9 grade alloy steel, which offers high tensile strength and durability. While the exact load capacity can vary based on the application and materials used, these screws are designed for moderate to heavy-duty applications, making them ideal for industrial and mechanical uses such as robotics, automotive assembly, or heavy machinery fixation.
  • Question: What materials are compatible with M5-0.8 x 50mm countersunk bolts?

    Answer: These screws are suitable for a variety of materials including metals, woods, and certain plastics. The black oxide finish enhances corrosion resistance, making them ideal for use in environments where exposure to moisture or corrosive substances is possible. This versatility allows you to use these screws in construction, furniture assembly, or automotive repairs.
  • Question: How do I choose the right screw length for my project?

    Answer: When selecting screw length, consider the combined thickness of the materials you will be fastening. Ideally, the screw should penetrate through the materials while allowing for sufficient grip in the underlying substrate. For these M5-0.8 screws, a 50mm length is ideal for assembling multiple layers or thicker materials, ensuring a secure connection that maintains stability during use.
  • Question: Can I use M5-0.8 screws in outdoor applications?

    Answer: Yes, the black oxide finish on these screws provides a layer of protection against rust and corrosion, making them suitable for outdoor applications. However, if prolonged exposure to harsh elements is expected, consider using additional weather-resistant coatings or stainless steel screws for enhanced durability in specific environments, such as plumbing or electronic installations.
  • Question: What tools are needed to install M5-0.8 hex socket cap screws?

    Answer: To install these screws, you will require an Allen hex key or wrench that matches the screw’s size. Proper torque settings applied using a torque wrench are recommended to ensure that the screw is not overtightened, which can lead to material failure. These tools are typically available in most toolkits, making installation straightforward for DIY projects or professional assembly.
  • Question: What makes the 10.9 grade alloy steel special?

    Answer: The 10.9 grade alloy steel designation indicates that the screws are made from high-strength steel, often used in applications requiring excellent mechanical properties. These screws offer a balance of strength and toughness, making them ideal for situations where performance under stress is critical, such as in automotive or heavy machinery components.
  • Question: Are M5-0.8 bolts fully threaded, and why is this important?

    Answer: Yes, the M5-0.8 bolts are fully threaded, allowing for a greater engagement with the materials being fastened. This design feature helps ensure secure connections and optimal load distribution, which is vital in structural or mechanical applications where movement or vibration could compromise stability.
  • Question: What is the significance of a countersunk head on these screws?

    Answer: The countersunk head design allows the screw to sit flush with the surface of the material after installation, minimizing snagging and providing a cleaner finish. This is particularly useful in projects where aesthetics are key, such as furniture or cabinetry, as it prevents any protruding fasteners that could affect appearance or functionality.
  • Question: Where can I buy M5-0.8 x 50mm Flat Head Hex Socket Cap Screws in Australia?

    Answer: You can purchase M5-0.8 x 50mm Flat Head Hex Socket Cap Screws through Ubuy, which offers a comprehensive selection of fastening solutions. Ubuy provides detailed product information, ensuring that you choose the right screws for your needs, along with convenient search tools to find additional related hardware for your projects.
  • Question: Are these screws resistant to wear and tear?

    Answer: Yes, the M5-0.8 x 50mm screws made from 10.9 grade alloy steel with a black oxide finish exhibit excellent resistance to wear and tear due to their robust construction. They are engineered to withstand harsh conditions and repeated use, making them suitable for high-stress applications, such as machinery assembly where durability is a paramount concern.

NIULUNBAO Socket Head Screws Editorial Review

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Pros

  • High strength and durability
  • Corrosion-resistant black oxide finish
  • Easy to install with Allen hex drive
  • Suitable for various applications
  • Precision engineering minimizes defects

Cons

  • Some may prefer a different color option.

Platform Trust & Buyer Confidence

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“Promt delivery. Seems like a good product.”

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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”

17-Jul-26 · via Trustpilot
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AUD 20

Order now and get it around Friday, August 28

QTY:

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Features & Benefits

  • High-quality 10.9 Grade Alloy Steel ensures superior strength.
  • Black oxide surface treatment provides excellent corrosion resistance.
  • Designed for wear resistance and low-temperature performance.
  • Ideal for engineering, automotive assembly, and precision machinery.
  • Convenient pack of 50 screws (M5 x 50mm).
  • Satisfaction guaranteed with a full refund on damaged or lost products.

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