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🔧 Fix it right, fix it tight — the ultimate thread rescue kit!
The 88-piece Thread Repair Set by DAYUAN is a professional-grade manual kit designed to restore and reinforce damaged M6, M8, and M10 threads in soft metals. Featuring precision drill bits, taps, wire coil inserts, and installation tools, it ensures durable, wear-resistant repairs ideal for automotive, engine, and general machinery maintenance. Compact and highly rated, this kit delivers reliable, cost-effective thread restoration in one organized package.








| ASIN | B07W6TH9BH |
| Amperage | 16 Amps |
| Best Sellers Rank | 7,994 in Automotive ( See Top 100 in Automotive ) 10 in Thread Repair Kits |
| Brand | DAYUAN |
| Colour | Red |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 464 Reviews |
| Drill Type | Basic Drill |
| Drilling Capacity Metal | 10 Millimetres |
| Drilling Capacity Wood | 10 Millimetres |
| Included Components | 3 x Twist Drills, 3 x Break Pin Tools, 3 x Installation Tools, 1 x Hex Wrench, 3 x Tap, 75 x Threaded Inserts, 1 x Storage Case |
| Is Electric | Yes |
| Item Weight | 1.26 Kilograms |
| Manufacturer | Yinyuan Tools |
| Material | Metal |
| Maximum Chuck Size | 10 Millimeters |
| Maximum chuck size | 10 Millimeters |
| Model Number | YT-1044 |
| Part Number | YT-1044 |
| Power source | Manual |
| Special Features | Versatile Thread Repair Kit |
| UPC | 737123870707 |
A**Y
Heli coil ket
After snapping a bolt in a alloy head I had the option to remove the head and replace it or try and drill it out and use a helli coil, so I ordered this kit and got to say it worked a dream, 1- reasonble price 2 - decent quality 3 - cost effective Only thing to say is make sure the hole your drilling out is 100% straight as there's no try agains
A**R
Nice bit of kit.
Excellent product. Got me out of a bind nicely. Everything was sharp and worked well. Though I was going into an ally case.
S**N
Saved my bacon!
Brilliant little kit, got me out of a spot of bother when I found out that one of my engine cover bolts had stripped the thread from the main crankcase. Really easy to use, and did the job perfectly. It would be nice if there was a tool included for the thread taps, hence the 4 stars instead of 5 but then again, you imagine most people would already have a tap and die set or at the very least, you could use a cordless drill set on slow. Overall, a really great little kit to have in the garage, just in case.
S**.
Value for money
Purchased for work, does what it needs to
T**L
Thread repair kit
Just the job
D**I
Outlander injector thread m6 bolt repaired
My Mitsubishi outlander injector thread gone which is m6 , I bought this tool kit and it works perfectly.
D**P
Great kit but missing 1 thing
Well I bought this kit to repair a thread on the engine casing of my lambretta and as far as a cheap kit goes, it’s pretty good though the one thing it lacks is a handle for the tap. I was lucky as I had a tap and die kit but others may not be so lucky. Otherwise good kit so far!
M**K
Worked perfectly
Fixed my stripped m8 threads in a cast aluminium bracket no problem. Great value and worked much better than i expected.
Y**I
ネジ山しっかり修正できました。
充分使用出来ました。しょっちゅう使う物ではないのでこれくらいで充分です。
I**N
Maravillosas herramientas
Son perfectas y de un material muy bueno para los que las necesite sin problema resultó ser lo mejor que pude comprar
M**A
Parfait
Très bon matériel merci
E**7
ok
ok
H**H
reparation de filets facile.
Tres pratique
Trustpilot
1 week ago
2 weeks ago