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SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS
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SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS
High quality 12.9 grade alloy steel with excellent corrosion resistance and wear resistance.
SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS
Item #: 45905991

SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS

90% of respondents would recommend this to a friend

Item #: 45905991

SLE 414

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

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Order now and get it around Monday, September 21
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High quality 12.9 grade alloy steel with excellent corrosion resistance and wear resistance.
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What Stands Out

High Strength
Crafted from 12.9 grade alloy steel, these screws offer superior strength and durability, making them ideal for heavy-duty applications and ensuring long-term reliability under stress.
Corrosion Resistance
The black oxide finish provides excellent corrosion resistance, protecting the screws from rust and wear, thus extending their lifespan and maintaining structural integrity in various environments.
Fully Threaded Design
The fully threaded design allows for versatile applications, ensuring a secure and tight fit in different materials, which enhances assembly reliability and simplifies installation in machine setups.

Product Details

Shop SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS online at a best price in Sierra Leone. B09682GT2G
MaterialAlloy Steel
Thread SizeM3
Exterior FinishBlack Oxide
Manufacturer GradeGrade Alloy
Head StyleSocket

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Great for hobbyists looking to assemble or repair various projects using reliable and sturdy screws.

  • Professional Mechanics

    Ideal for mechanics needing high-strength screws for automotive or machinery applications involving reliable joints.

  • Electrical Engineering

    Useful for electrical projects where secure fastening of components is required without risking corrosion.

Not Suitable For
  • Home Furniture

    Not suitable for home furniture as softer materials may not hold or require different screw types.

Product Description

SUNXULIMI M3 x 25mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw, Black Oxide Finish, Fully Threaded, 50PCS

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Customer Questions & Answers

  • Question: What is the advantage of using M3 x 6mm Socket Head Cap Screws?

    Answer: M3 x 6mm Socket Head Cap Screws offer significant strength and durability due to their 12.9 grade alloy steel construction. This makes them ideal for high-stress applications such as automotive, machinery, and electronic devices. The socket head design allows for easy installation using an Allen wrench, ensuring a secure fit which is critical in precision work.
  • Question: What is the significance of the 12.9 grade in these screws?

    Answer: The 12.9 grade indicates a high tensile strength, meaning the screws can withstand considerable loads without deformation or failure. This grade is designed for applications that demand both strength and toughness. By choosing 12.9 screws, you enhance the reliability of your projects, especially in heavy-duty situations like industrial machinery or complex assembly structures.
  • Question: Are these bolts resistant to corrosion?

    Answer: These M3 x 6mm Socket Head Cap Screws feature a black oxide finish that provides some degree of corrosion resistance, making them suitable for indoor use. However, for environments exposed to moisture or chemicals, additional protective coatings may be necessary to prevent rust and prolong their lifespan. This aspect is important for maintaining the integrity of equipment over time.
  • Question: Can I use these screws for electronic devices?

    Answer: Yes, these screws are perfect for electronic devices. Their precise dimensions and strength help secure components tightly without risk of stripping. Applications include fastening circuit boards and housings where a reliable connection is crucial. Such strength ensures that your electronic devices maintain functionality under strain.
  • Question: What tools do I need to install M3 x 6mm Socket Head Cap Screws?

    Answer: To install these screws, you will need an Allen wrench that matches the socket size of the cap screws. This tool allows you to apply torque without slipping, ensuring a secure fastening. Proper installation tools contribute to the longevity of your connections and reduce the risk of damage to the materials being fastened.
  • Question: How do I choose the right length for my project?

    Answer: Selecting the right length, such as 6mm for these screws, depends on the thickness of the materials you are joining. A good rule of thumb is to choose a screw length that extends at least 1.5 times the thickness of the thinnest material for optimal hold. This ensures that the joint remains stable and secure, especially under stress.
  • Question: Are these screws fully threaded, and what does that mean?

    Answer: Yes, these screws are fully threaded, meaning that the threads run the entire length of the screw. A fully threaded bolt provides greater grip, allowing for a more versatile application in various materials. This characteristic is essential in installations where maximum gripping power is required, enhancing fastening strength.
  • Question: What applications can I use these screws for?

    Answer: These screws are versatile and can be utilized in various applications including assembling furniture, constructing machinery, or securing automotive parts. Their robust build and reliable fitting make them suitable for DIY projects, professional repairs, or industrial applications. This flexibility allows for integration across multiple fields.
  • Question: How many screws come in a package?

    Answer: Each package contains 100 pieces of M3 x 6mm Socket Head Cap Screws. This bulk quantity provides ample supply for large projects or ongoing repairs, ensuring that you have enough screws on hand for multiple applications. This cost-effective packaging is beneficial for both hobbyists and professionals seeking to maintain equipment.
  • Question: Where can I buy M3 x 6mm Socket Head Cap Screws in Sierra Leone?

    Answer: You can conveniently purchase M3 x 6mm Socket Head Cap Screws from Ubuy, which is a reliable online platform in Sierra Leone. Ubuy offers a wide selection of fasteners including high-quality socket head cap screws, making it easy to find the right products for your needs.

SUNXULIMI Socket Head Screws Editorial Review

The M3 x 6mm Socket Head Cap Screws Bolts 12.9 Grade Alloy Steel Metric Machine Hex Socket Screw in black oxide finish is a reliable product that has received positive feedback from customers. Customers have reported that these bolts are of good quality and work perfectly well, without any complaints. One customer has even used these bolts as a replacement for upgrading their Crank Brothers Stamp 1 flats. Overall, this product is a great value for the price.

Customer Reviews & Ratings

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Pros

  • Good quality
  • Reliable
  • Great value for the price
  • Perfect for upgrading other products

Cons

  • No Cons reported in the reviews

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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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SLE 414

Order now and get it around Monday, September 21

QTY:

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Features & Benefits

  • Made from durable 12.9 grade alloy steel.
  • Features black oxide treatment for corrosion resistance.
  • Ideal for precision machinery and electronic products.
  • Includes 100 pieces of M3 x 6mm socket head cap bolts.
  • Low temperature resistance ensures reliable performance.
  • Satisfaction guaranteed with a full refund policy.

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