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Review on πŸ”© E-Z LOK EZ-450-8 Threaded Inserts for Metal: M8-1.25 Installation Kit, Steel, Black Oxide - The Perfect Solution for Secure Metal Fastening by Mike Snedeker

Revainrating 5 out of 5

Very satisfied: inserts with external thread

Worth every cent. Installed new studs in a Toyota 22rte brushed aluminum head; installed without problems. I made a special drill and tap guide to help drill a straight hole because I didn't trust my hand too much to hold the drill. This is the answer to a question about repairing a Helicoil threaded insert. Tried Helicoil and they couldn't handle more than 28 ft-lbs, which the Toyota MR says I need, in aluminum. (I'm sure Helicoil would have worked like a champ in steel.) EZ LOK is the answer! Would have saved me SO much time and effort if I had even decided to do it. Tried many EZ LOK ideas - this is the answer.

Pros
  • Everything is fine!
Cons
  • Long delivery time