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High toughness, abrasion resistance, high-speed cutting for the high hardness
135°split point trip for fast drilling
High speed steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and non-ferrous materials
Improved control during installation, Threaded mandrel fully engages internal thread
One-piece structure,much stronger and solid compared to a normal helicoil
Customized EVA box, easy to store, easy to carry, not easy to drop.
Rat Guy
Reviewed in the United States on March 7, 2025
This kit is well-built and has everything needed for repairing stripped threads. The stainless steel inserts feel durable, and the included drill, tap, and installation driver make the process straightforward.
Bill H.
Reviewed in the United States on March 15, 2025
I am a retired tool and die maker/master machinist. And this style of solid thread repair inserts are by far my favorites for ease of installation, strength and permanence of repair. And these sets from SENNMONN are very handy with all the installation tools you need except the machine of your choice to turn the drill bit. Properly installed, these inserts are as strong as or stronger than the original threads. I have quite a collection of kit sizes from SENNMONN and have not a single failure or complaint. Highly recommend!
Sparky
Reviewed in the United States on March 10, 2025
Overall, I am happy with this kit. I like that this kit includes everything needed. Everything feels well made and you can feel the components are a good quality. The plastic case safely holds everything so nothing knocks around. I feel there are a better option to Helicoils. I would buy this kit again. 5 STARS
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