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Instructions:
1.Drill out damaged thread using correctly sized drill bit(supplied)
2.Tap re-drilled hole using tap supplied
3.Load coiled insert into applicator
4.Screw coil into casting
5.Using lug breaking tool, break off tag on insert
6.Thread is repaired and ready to use
Package Included:
25 × Thread inserts
1 × Lug breaking tool
1 × Installation tool
1 × wrench
1 × Thread tap
1 × Drill bit
Wes
Reviewed in the United States on January 13, 2025
This kit helped me fix threads in a mountain bike frame with ease. This same kit was almost twice the cost at my local auto part store. It shipped quick, and in good condition. There was no packaging (not a big deal to me) and everything was in a zip lock bag which was nice and secure. Decent measure to take on saving money for the end customer. I dig it. :)
D. Johnson
Reviewed in the United States on September 9, 2024
Needed to fix a couple of tapped holes in my dirt bike clutch cover. Followed the instructions and everything worked awesome. Great product.
...why
Reviewed in Canada on August 7, 2024
Only usefull thing is the actual tap. The jury still out on the actual coils themselves. The insertion tool is garbage. For $10 ok but not the $15 it cost.No problem with seller shipped right away and no missing pieces.
RB
Reviewed in Canada on November 18, 2024
Good product. Got me out of a jam while working on a stripped thread.
Christopher Meadors
Reviewed in the United States on October 28, 2024
It worked beautifully! This something that I would definitely order again!!
Mr.Biggles
Reviewed in the United States on October 15, 2024
I paid like $9 for this kit, the quality on this kit, tap etc. cant get better! I feel like this would be a $50 kit any day of the week
Scott
Reviewed in the United States on January 12, 2024
Used this on my 2014 cruze timing cover valve cover bolt holes! If it dont make sense go to nxt review. Well the holes do have bottoms but definitely use a rag or towel to keep shavings out of oil or crank case. Keep them straight and they work perfectly. Torque to spec np. Good product.
frank
Reviewed in Canada on August 16, 2023
Easy-to-use kit. Suits my needs perfectly
zhangjiarui
Reviewed in Canada on July 28, 2023
The kit will work, but installation is not smooth. I use this to fix aluminum thread my oil cooler (which can be removed from cad) if you are in some tight area, don’t buy this.Installation tool is super weak I have to modify by myself. Tapping tool works but the diameter is just a tiny little bit smaller which makes the coil installation surprisingly hard (always cross thread).
Aarón
Reviewed in Mexico on April 17, 2022
Overall, la broca y el machuelo funcionan muy bien, el problema viene cuando se inserta la cuerta y hay que romperla. En lugar de romperse estira la cuerda en el inserto.
DIYer
Reviewed in the United States on May 26, 2020
stripped a thread on an aluminum manifold - dang!!! This saved the day at a much lower cost than other brands. The kit includes a bunch (didn't count but looked like about 20) whereas more expensive kits I've bought only included one. Maybe not the best quality steel but plenty good enough
Harvey
Reviewed in the United States on May 22, 2020
This set is just OK. I used them to repair the rocker arm bolts on my mower engine(kohler command). The tap and drill were great, I had zero problems using them in aluminum. The helicoil install tool is very cheaply made. It would bend slightly as I screwed in the helicoils and become stuck in the hole. The helicoils themselves were crimped in the wrong spot(just slightly off) so the tabs didn’t break off cleanly. I strongly recommend only screwing in the helicoils until they are just below the surface, that way you can remove them if the tab doesn’t break off right. Just pry up the top coil and pull them out to remove. Once the helicoils were installed, it’s hard to get your bolt screwed in because the top of the helicoil has sharp edges. At the end of the day these did work for me, but they were more trouble than name brand. If you’re determined to save money, just know that you’re making a gamble here.
SCW
Reviewed in the United States on November 12, 2019
Wasn't sure what to do when I stripped the threads on a mounting bracket on the engine of my truck while changing coil packs. Did some research and ran across this 'helicoil' technology. I needed a pretty small on (M5), and none of the local auto parts stores carried any that small. Found this set on Prime-Same Day delivery, and ordered it.It arrived as shown....no instructions whatsoever. Having watched a couple of YouTube videos on using helicoils for thread repair, it was pretty self explanatory.The kit comes with the coils, a drill bit, a tapping drill bit, a punch and the insertion tool. Instructions would be:1. Drill out the existing hole using the 'plain' drill bit.2. Tap the hole with the tapping bit to create some threads for the helicoil. A little cutting oil helps here (a drop or two).3. Blow or vacuum out any of the metal shavings from Steps 1 & 2.4. Place a coil on the end of the insertion tool, with the tang of the coil in the bottom slot on the tool. If you are working in a tight spot, or in a downward position, put a dab of grease on the tool. The stickiness will hold the coil on the tool.5. Screw the coil into the prepared hole. There is a set screw and collar on the tool you can use to set the insertion depth of the coil, if needed.6. Once at the desired depth (typically a turn or two below the lip of the hole), remove the tool, and insert the punch.7. Tap the punch with a hammer (gently) and break off the tang. Blow or vacuum the tang out if needed.8. Install your bolt as designed.All in, this took me about 10 minutes, and the bolt threaded in perfectly and locked in tight.
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