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Helicoil 5543-10 M10 x 1.25 Metric Fine Thread Repair Kit

4.7 out of 5 stars 35 customer reviews

List Price: $59.02
Price: $40.94 & FREE Shipping. Details
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Only 3 left in stock (more on the way).
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  • 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
49 new from $33.82

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$40.94 & FREE Shipping. Details Only 3 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

  • Helicoil 5543-10 M10 x 1.25 Metric Fine Thread Repair Kit
  • +
  • Steelex Plus D2131 13/32-Inch Cobalt Drill Bit
Total price: $53.21
Buy the selected items together


Product Description

Helicoil Metric Fine 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 fine thread repair kit is used for repairing tapped holes which have been stripped or damaged, due to wear, corrosion and over torque.

Product Information

Technical Details

Part Number 554310
Item Weight 6.4 ounces
Product Dimensions 5.7 x 0.7 x 3.6 inches
Item model number 5543-10
Size M10 x 1.25
Material Stainless Steel
Item Package Quantity 1
Batteries Included? No
Batteries Required? No

Additional Information

ASIN B0002SRG34
Customer Reviews
4.7 out of 5 stars 35 customer reviews

4.7 out of 5 stars
Best Sellers Rank #71,285 in Home Improvements (See top 100)
#39 in Automotive > Tools & Equipment > Thread Repair Kits > Metric Inserts & Kits
Shipping Weight 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 September 1, 2004

Warranty & Support

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

Customer Reviews

Top Customer Reviews

Verified Purchase
This is my second Helicoil kit and they are great. Very pricey because I only needed one or two bolts but they were necessary.

The insertion tool took a second to figure out because it was a semi-tight fit. They only have these for bigger bolts.

If you already have a Tap & Die set, just buy the coils and not this whole kit. It requires a 13/32 drill bit which is a rather an odd ball size that only very complete sets have, otherwise it's like $5 each. You can go a size up but I wanted more material to bite.

Note: you have to drill as straight as possible. I was hoping the drill would guide itself in the old hole but that's not always the case.
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Verified Purchase
This works great with little effort. My left and right engine mount threads were stripped on my GSXR 1000. I used this to repair both mount and the oem bolt was able to bolt right it. The thread inserts are very strong and able to handle being torque down very hard. great product
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Verified Purchase
Believe me I understand your pain if you're shopping for this product. It means somewhere along the line you screwed up and now have to rethread something... but do not worry! This product WORKS!

I stripped the threads in my 2004 Acura RSX Type-S exhaust manifold and was leaking exhaust.

I used this product to rethread my manifold and now my bolts seal TIGHT! No more fumes!

Look no further, there's a reason why all the forums recommend helicoils. Some even say that your threads are stronger than before.

Just make sure you drill nice and straight before using these!
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Verified Purchase
The inserts my kit came with were 15 mm length. You can buy packages of different length inserts for about 10$.
This worked easily to repair threads for my exhaust manifold. It was very simple to repair threads in aluminum. You do have to be careful to keep the hole straight.

The package shown says "made in the USA", but the tap in the package of my kit clearly said "made in China" if that makes any difference to you.
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I love this product. It saved me a ton of money. I just spent $1400 on a replacement engine and wasn't looking forward to destroying it. So I decided to replace the timing belt and tensioner, among other things. After I removed the tensioner I went to torque down the new one the threads in the aluminum block came right out even though I finger tightened it to make sure I wasn't cross threading it. Panic ensues. The bolt looked brand new, not some gnarled up junk. So I do some research and decided to give this product a try. They have many many sizes so its important to get the correct one. Luckily I was able to find it locally and test it with my bolt. The kit was actually easy to use. After drilling out what was left in the stripped hole I was able to use the Tap without a drill, I used a vice grip. The tap basically centered itself after a couple turns and was easy to cut into aluminum with. Then I was able to use the coil instller by hand with the same vice grip. The bolt now treads in perfectly and I was able to torque it to spec without any issue. One last note I did practice a couple times on my old engine before using it on the problem hole. Be sure to Use 3 in one oil and the project goes a lot smoother. Sure its a bit pricy for what it takes to manufacture but I don't care, it saved me well over $1000.
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Verified Purchase
I have never used a helicoil kit before, but i desperately needed one to fix a bolt that broke off the main suspension bracket on my car. This product was fairly easy to use and got the job done, and have had no problems with the bolt that i put in.
I recommend this product to any and all. the only downside is having so many extra of such a specific size of bolt that i most likely wont use ever again. So it seems like a little bit of a waste of money.
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Verified Purchase
This 'kit' was 60$ at the local hardware store, decided to order from here. Used it on some mild steel as directed i drilled out the hole and used the tap to make new threads. While backing out the edges of the tap decided to split off of the tap. The coil barely went in but i used loctite on it and broke the pin off and it works but i cant use the other 9(of 10) coils because the special tap is broken.
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Verified Purchase
I didn't expect this to work very well. The hole that it fixed was in a cross member on a truck that holds a skid plate. The metal isn't very thick and I thought I might be better off welding a plate on and threading that. Thankfully, this did the trick and it was easy to use. Plus, it was $20 cheaper on Amazon than at my local hardware store.
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Helicoil 5543-10 M10 x 1.25 Metric Fine Thread Repair Kit
This item: Helicoil 5543-10 M10 x 1.25 Metric Fine Thread Repair Kit
Price: $40.94
Ships from and sold by Amazon.com

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