Helicoil
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Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit
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Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit
Used for repairing tapped holes
Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit
Item #: 18687206

Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit

85% of respondents would recommend this to a friend

Item #: 18687206

SLE 1469

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*All items will import from US

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Used for repairing tapped holes
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What Stands Out

Comprehensive Kit
This repair kit includes everything necessary for effective thread repair, making it easy for users to restore damaged threads without extra tools or parts, saving time and effort.
Precision Engineering
Designed for fine threads, the Heli-Coil kit ensures a secure fit and reliable performance, minimizing the risk of stripping and wear compared to other kits on the market.
Durable Construction
Made from high-quality materials, this kit provides long-lasting durability and resistance to wear, ensuring your repairs withstand the test of time, enhancing overall value for users.

Product Details

Shop Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit online at a best price in Sierra Leone. B000QFRUCA
  • Includes 12 inserts, detailed instructions, Heli-Coil tap and installation tool
  • Made from high quality material for long-lasting durability
  • Used for repairing stripped or damaged tapped holes
  • Suitable for holes damaged by wear, corrosion, and over torque
  • Comes in durable placon or vinyl pouch packaging
  • Easy and convenient to use

Who Should Buy?

Suitable For
  • DIY Enthusiasts

    Perfect for hobbyists looking to repair damaged threads on various materials easily and effectively.

  • Professionals

    Ideal for automotive and mechanical professionals needing a reliable thread repair solution for stripped holes.

  • Homeowners

    Great for homeowners who want to maintain and repair household items without hiring expensive services.

Not Suitable For
  • Heavy Machinery Use

    Not suitable for heavy machinery applications requiring high torque and stress durability from repaired threads.

Product Description

Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is included in the Heli-Coil Helicoil 5528-4 Repair Kit?

    Answer: The Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit typically includes a set of Helicoil inserts, a tap for creating the necessary threads, and an installation tool, making it comprehensive for thread repair. This kit is designed for anyone dealing with stripped threads in various materials, including aluminum or cast iron. For example, mechanics can use this kit on engine components, ensuring a secure fit for bolts and preventing further damage during repairs.
  • Question: How does the Heli-Coil repair system work?

    Answer: The Heli-Coil repair system works by creating a new, precisely threaded insert within the original stripped hole. First, you drill out the damaged threads, then tap the hole to the specific size, and finally, you insert the Heli-Coil. This process restores the holding power needed for the bolt, making it ideal for structural repairs. This system can be particularly beneficial in automotive and aerospace applications where integrity is crucial, allowing for secure fasteners in high-stress environments.
  • Question: What materials can the Helicoil 5528-4 be used on?

    Answer: The Helicoil 5528-4 repair kit is versatile and can be used on a variety of materials, including aluminum, magnesium, and cast iron. It is especially effective where fasteners are subjected to vibration or shear, typical in automotive, aerospace, and machinery applications. Users find the kit valuable when repairing engine blocks or assembly components, ensuring a robust connection and extending the life of the hardware.
  • Question: Is the Heli-Coil Helicoil 5528-4 repair kit suitable for home use?

    Answer: Yes, the Heli-Coil Helicoil 5528-4 repair kit is suitable for both professional and home users. It is designed to be user-friendly, making it accessible for DIY enthusiasts tackling home repairs, automotive work, or mechanical projects. Home users often find this kit handy for fixing stripped threads in furniture assemblies or metal components, allowing them to achieve professional results without needing a workshop.
  • Question: How long do Helicoil inserts last once installed?

    Answer: Helicoil inserts are designed to be permanent solutions once properly installed and can last significantly longer than the original threads. They provide strength and durability due to the material composition, typically stainless steel. This longevity is crucial for areas facing constant strain, such as in automotive engines, where reliability is paramount. Users report success even in high-wear applications, reducing the frequency of repairs.
  • Question: Can I use the Heli-Coil kit for repairs on plastic?

    Answer: The Heli-Coil Helicoil 5528-4 is not intended for plastic materials, as it is primarily designed for metal applications. Using it on plastic can lead to ineffective repairs and additional damage. Instead, consider alternatives specifically designed for plastics, like threaded inserts made for plastic applications, which provide similar repair solutions without compromising the integrity of the material.
  • Question: What are the benefits of using the Heli-Coil Helicoil 5528-4 kit?

    Answer: Using the Heli-Coil Helicoil 5528-4 kit offers several benefits, including restoring stripped threads quickly, improving fastening reliability, and extending the life of your components. It provides a permanent solution, reducing the likelihood of future repairs. These advantages are particularly useful in fields like automotive repair, where strong connections are necessary for safety and performance, ensuring that elements like cylinder heads remain securely assembled.
  • Question: Can I reuse Helicoil inserts?

    Answer: Helicoil inserts are not designed for reuse once installed. If you need to replace a bolt or screw, it’s advisable to use a new insert to maintain the integrity of the repair. Once inserted, the coil is anchored in place and using it again may lead to a compromised connection. This principle is especially important in applications where safety is critical, such as in machinery or vehicle repairs.
  • Question: Do I need any special tools to use the Heli-Coil Helicoil 5528-4 kit?

    Answer: To use the Heli-Coil Helicoil 5528-4 kit effectively, basic hand tools like a drill and tap handle are necessary, although most kits include these essential tools. Understanding how to use a tap is important for threading accurately. This accessibility means that both professionals and DIY enthusiasts can manage repairs without needing extensive equipment, making it ideal for a range of projects from home to industrial applications.
  • Question: Where can I buy Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit?

    Answer: You can purchase the Heli-Coil Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit on Ubuy, which offers a wide selection of tools and repair kits. Ubuy is a reliable online shopping platform, ensuring a smooth purchasing experience along with the availability of various products. Whether you're a professional mechanic or a DIY enthusiast, Ubuy can help you find the tools you need with ease.

Helicoil Inch Inserts & Kits Editorial Review

Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit The Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit is highly regarded for its quality and effectiveness in repairing stripped threads. Users have found it particularly useful for applications in power equipment with aluminum blocks, such as mufflers, where threads tend to strip easily. The kit includes everything needed for installation – the specified drill bit, tap, and helicoil. Customers have praised the kit for its ease of use and the strong hold provided by the helicoil, as long as it is installed properly. The tap is sharp, making the process even more straightforward. The helicoils included in the kit are not stainless steel, as a magnet sticks to them, but customers have noted that they do not rust when used in non-harsh environments. While most customers were satisfied with the kit and found it to be of good quality, there were a few instances where customers received incorrect inserts. This resulted in the need to purchase the correct inserts separately from a parts store to complete their projects. However, such cases appear to be rare exceptions. Overall, the Helicoil 5528-4 0.25-28 Inch Fine Thread Repair Kit is highly recommended for its quality and effectiveness in repairing stripped threads, particularly in power equipment with aluminum blocks. It provides all the necessary tools for installation and delivers strong, long-lasting results.

Customer Reviews & Ratings

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Pros

  • High-quality and effective in repairing stripped threads
  • Particularly useful for power equipment with aluminum blocks
  • Includes all necessary tools for installation
  • Strong hold when installed properly
  • Easy to use with a sharp tap

Cons

  • Rare occurrences of incorrect inserts being included in the kit

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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”

23 July 2026 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”

22 July 2026 · via Trustpilot
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SLE 1469

Order now and get it around Friday, August 21

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

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Features & Benefits

  • Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool
  • Made from high quality material
  • Comes in carded packing
  • Easy to use

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