BILITOOLS M8X1.25 Thread Repair Kit, HSS Drill Helicoil Repair Ket Metric

After I incompetently NUKED the threaded brass threads on a LiFePO4 battery (while POORLY attempting to hook the batteries in series, resulting in welding a brass bolt into the cable lugs...PLASMA!!), I debated between installing a "Helicoil" type repair such as offered by this kit , versus expanding the bolt used from M8 to M10 via drilling/tapping the hole larger.I've still got the M10 tap on order from a large online seller beginning with E and ending with AY. That should show up...ummm....sometime. Being the impatient male of the species, I ordered this kit via overnight Prime delivery.I decided to try a thread insert repair, for the FIRST TIME.It did the job. I used Tapmagic threading/cutting fluid as a lubricant, took my time, and worked the tap in & out to remove chips. No broken taps, no (OK, only just a couple) unhappy words.Minor grumbles: - The kit does not include the dinky hex wrench needed to loosen the setscrew on the tool used to insert the repair thread. Not absolutely necessary, but still handy. - After inserting (screwing in) the threaded insert, the insert GRABBED onto the tool, making it a royal pain to extract. Brute force won out.I chose to use a generic red Loctite-style thread locker to secure the thread repair insert into the repair area. Probably not necessary, but such is life.

Never used one before. Great directions, all the tools needed and high quality made for an easy and successful project. Definetly recommend.

It's a solid kit and the inserts fit nicely both to the O.D. thread and to the I.D. thread. I would recommend this kit. Only reason I didn't give it 5 stars is because there is no threaded guide for starting the inserts straight. Though I had no issues, I have with other inserts in the past.

I like to use a small bit for a pilot hole, but everything else is in this kit. I got a perfect job the first time, for a broken exhaust stud on a motorcycle.

Exactly as described