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Thread Repair Tool Kit
Thread Repair Tool Kit Applications
Thread Repair Tool Kit Details
Thread Repair Tool Kit Header

Thread Repair Tool Kit

M3Tools (M3-M12)
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Thread Repair Tool Kit for Restoring Damaged Threads

Perfect for restoring damaged threads, suitable for engine repair and other automotive. Applications for steel, cast iron and aluminum. Can be used in daily repair, car repair, drilling machine, etc.

Package & Shipping:

  • Free shipping all over the world
  • Thread repair kit
  • To Korea, Japan : it takes about 7-10 days
  • To USA, CA, Spain, France, Poland, Belgium, Portugal, United Kingdom, Germany, Italy and Netherlands: it takes about 12 - 20days
  • To other European countries and Ukraine,Belarus,Russian Federation: it takes about 15-30 days
  • To other countries: it takes about 20-35 days


  • Type: Thread Repair Kit
  • Material: High Speed Steel
  • Size: M3 M4 M5 M6 M7 M8 M10 M12 M14

More Details:

Thread Repair Tool Kit 0.7mm
Thread Repair Tool Kit 0.8mm
Thread Repair Tool Kit 1.0mm
Thread Repair Tool Kit 75pcs m8
Thread Repair Tool Kit 75pcs
Thread Repair Tool Kit 125pcs
Thread Repair Tool Kit 131pcs
Thread Repair Tool Kit m3 0.5
Thread Repair Tool Kit M7 1.0mm
Thread Repair Tool Kit m8 1.25mm
Thread Repair Tool Kit m10 1.5mm
Thread Repair Tool Kit m12 1.75
Thread Repair Tool Kit m14 2.0

What Type of Thread Repair Kit is Best for Restoring My Damaged Threads?

When a thread becomes damaged it can render an important and often times expensive part or piece of equipment inoperable.   Fortunately, there are multiple options for repairing or restoring damaged threads.  Since each instance is unique,  specialized tools and products have been developed to accommodate just about every possible scenario imaginable.

Certain products require only one tool to complete the job while others consist of a kit with threaded inserts and the tools necessary to install them.

In order to select the best option its important to consider whether the threads that require repairing are male or female, the extent of the damage, and the type of part the damaged threads are in or on.  Simply choose the Option in the BOX BELOW that best describes your thread repair scenario.


The process of repairing the threads in a damaged hole, using a helical insert, has the following steps:

  • Drill out the damaged threads using a drill bit of the correct size.
  • Tap the hole with a special thread to accept the threaded insert. The tap required is included in a thread repair kit.
  • Screw the threaded insert into the hole, using the insertion tool, to just below the surface of the part.
  • Unscrew the insertion tool. The threaded insert will expand slightly as the torque is released from the insertion tool. This will cause it to lock into the part.
  • Snap off the tang where the thread insert wire returns across the hole. A punch or hex tool can be inserted through the new thread, to rest against the tang. A tap with a hammer will snap it off.