Thread Repair
XCAN Thread Repair Kit | M3-M14 Screw Thread Inserts | For Damaged Threads & Repair Tools
CMP-04488THRE-00001
£6.99
Thread Repair
3 products available
Thread repair kits provide a professional solution for stripped, crossed, or damaged threads in metal components. Designed for industrial maintenance, machinery repair, and manufacturing, these kits allow you to restore a threaded hole to its original size. Instead of scrapping an expensive part, you can perform a permanent damaged thread repair on-site. Our focused selection includes kits with the necessary taps, installation tools, and a supply of thread inserts.
Compel supplies thread repair kits for common metric sizes used in trade applications. These kits feature stainless steel or alloy steel inserts, ensuring a strong and reliable fix. By using a coiled wire insert, often called a Helicoil or Recoil insert, the repaired thread is frequently stronger than the original parent material. Get the right tools to salvage components and minimize downtime.
Selecting the Correct Thread Size and Kit
The first step is to match the kit to the thread you are repairing. Our kits are designated by the metric thread size they restore, such as M5, M8, or M12. Each kit contains the specific components for one thread size: a correctly oversized tap, an installation tool, a tang break-off tool, and a set of inserts.
To choose a kit, identify the nominal diameter and pitch of the damaged thread. For example, a stripped M6x1.0 hole requires an M6 thread repair kit. Our range covers fine and coarse metric threads from M1.6 up to M24, suitable for a variety of machinery and equipment repairs.
Material Choice: Stainless Steel vs. Alloy Steel Inserts
The material of the thread insert is a key factor for the repair's longevity and performance. The choice depends on the application's environment and strength requirements.
Stainless steel inserts, including 304 stainless steel, provide excellent corrosion resistance. This makes them ideal for equipment exposed to moisture, chemicals, or outdoor conditions. Alloy steel inserts offer high tensile strength and are a dependable choice for general-purpose repairs in high-stress, dry applications where corrosion is not a primary concern.
Understanding Taps and Dies for Thread Repair
Thread repair kits work by drilling out the damaged threads, cutting new oversized threads with a tap, and then installing a coiled insert to return the hole to its original size. The tap included in each kit is specifically matched to the inserts.
It is important to use the tap provided in the kit. Using a standard tap will not create the correct thread profile for the insert to lock into place. Always ensure the tap is started perpendicular to the surface and use an appropriate cutting fluid to ensure a clean cut and prevent tap breakage in the workpiece.
Buying guide
Choosing Thread Repair
- How do I know which size thread repair kit to order?
- You must match the kit to the nominal size of the damaged thread. For example, if a bolt hole for an M8 bolt is stripped, you need an M8 thread repair kit. The kit's tools are specifically sized to restore the hole to a functional M8 thread.
- When should I use a stainless steel thread insert?
- Choose a stainless steel insert, such as one made from 304 grade, for repairs in environments where corrosion is a risk. They are suitable for parts exposed to water, cleaning agents, or outdoor weather. For dry, high-strength applications, alloy steel is a sufficient alternative.
- What is a Helicoil or Recoil thread repair?
- Helicoil and Recoil are common terms for a type of coiled wire helical thread insert. These inserts are wound into a specially tapped hole to create new, standard-sized threads that are often stronger and more wear-resistant than the original threads in the parent material.
- What is a common error when using a thread repair kit?
- A frequent mistake is not drilling the hole deep enough to accommodate both the tap and the full length of the insert. Another error is failing to start the tap perfectly straight, which results in a crooked thread. Always follow the kit's instructions for drill size and depth.
- Can I use these kits to repair any type of metal?
- These kits are designed for general metalworking in materials like aluminum, steel, and cast iron. The effectiveness depends on the parent material's properties. Always check the tool specifications and consider a test repair on scrap material if you are unsure.