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Helicoil 5546-5 M5 x 0.8 Metric Coarse Thread Repair Kit

4.5 out of 5 stars 18 customer reviews

List Price: $40.25
Price: $29.69 & FREE Shipping on orders over $35. Details
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Only 7 left in stock.
Ships from and sold by Amazon.com.
  • Enter your model number above to make sure this fits.
  • Includes 12 inserts, complete instructions, Heli-Coil tap and installation tool
  • Used for repairing tapped holes
  • Made from high quality material
  • Comes in a carded package
  • Easy to use
See more product details
24 new from $23.84
$29.69 & FREE Shipping on orders over $35. Details Only 7 left in stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Helicoil 5546-5 M5 x 0.8 Metric Coarse Thread Repair Kit
  • +
  • Helicoil 5546-6 M6 x 1 Metric Coarse Thread Repair Kit
  • +
  • Heli-Coil R10846 M6X1 Inserts/Pk 12
Total price: $64.81
Buy the selected items together


Product Information

Technical Details

Brand Heli-Coil
Item Weight 1.6 ounces
Product Dimensions 4.6 x 0.6 x 3.6 inches
Item model number 5546-5
Manufacturer Part Number 55465

Additional Information

ASIN B000BB8XLG
Customer Reviews
4.5 out of 5 stars 18 customer reviews

4.5 out of 5 stars
Best Sellers Rank #76,670 in Automotive (See top 100)
#49 in Automotive > Tools & Equipment > Thread Repair Kits > Metric Inserts & Kits
Shipping Weight 2.4 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available May 10, 2006

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Product Description

Helicoil Metric Coarse Thread Repair Kit includes inserts, complete instructions, Heli-Coil tap and installation tool. It is made from high quality material and is extremely long lasting. This metric coarse thread repair kit is used for repairing tapped holes which have been stripped or damaged, due to wear, corrosion and over torque.

Customer Reviews

Top Customer Reviews

Verified Purchase
purchased this because I stripped some threads from over tightening on several mountain bike components. components are aluminum so slightly over tightening will strip the thread, but luckily these thread repair tools exist. if you ever need to use such type system I would not recommend any of the local auto parts thread repair packs. having used them before I was very disappointed with the results. the helicoil kit is an effortless installation and restores threads in a few minutes. great product, very satisfied with results.
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Verified Purchase
Used this to repair 2 stripped threaded holes on an FMF muffler. Worked great. Drilled them out with a 13/64" drill bit (as directed), ran the provided tap (using this Vermont American 21916 T-Handle Tap Wrench 0 through 1/4 Inch), and installed the heli coil with the provided tool, adding some Loctite 37421 271 Red Heavy Duty Threadlocker to keep the heli coil from coming out.

This was my first time doing a heli coil and it was surprisingly easy. And the new bolts went it smoothly and without a hitch. Highly recommended!
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Verified Purchase
This product works just as described. The installation is straight forward and anyone that can use a drill and follow directions can install Helicoils. The repaired screw holes are actually better than when new.
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Verified Purchase
I used this to repair a stripped out carburetor. Worked perfectly and there were no leaks on the carb. This item saved me quite a bit of coin. The size sold is of the size of the bolt, screw or threaded hole size. Don't worry too much about the size of the tap itself unless you need to buy a drill bit as it will be bigger than the size you would use normally for the size bolt you have. I actually waited until the product showed up, then I checked to see if I had the correct drill bit. I did so everything went well. I guess if you don't have the bit you need, you can then run out and get a drill bit or a set. Good luck!
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Verified Purchase
This is a little pricey for what it is and the "tool" takes a little getting used to. That said, this little critter fixed a stripped out pinch bolt on a $150 Dura Ace bicycle derailleur in about 10 minutes, so it easily paid for itself and I still have plenty of helicoils left over.
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Verified Purchase
We needed to repair the hub on our Harken furler this summer (one of the original M5 Helicoil inserts had come undone) -- after getting a replacement Helicoil insert from the vendor, this insertion tool made the repair job easy.
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Verified Purchase
This product doesn't come with any instructions but plenty of information including videos are available on-line. I used it on a Dura Ace rear deraillluer cable stop bolt. Worked great!
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By R. Conley on February 19, 2014
Verified Purchase
Repaired a chair saw that would have cost me a lot more to replace.
Used to retake muffler holes that stripped out, works like new. Perfect hold!
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Want to discover more products? Check out these pages to see more: m5 thread insert, heli coils

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Helicoil 5546-5 M5 x 0.8 Metric Coarse Thread Repair Kit
This item: Helicoil 5546-5 M5 x 0.8 Metric Coarse Thread Repair Kit
Price: $29.69
Ships from and sold by Amazon.com