Hey DIYers and mechanics! If you've ever stripped out threads in metal and thought 'well, that's ruined' - think again! These E-Z Lok threaded inserts are the perfect solution for repairing damaged threads in aluminum, cast iron, and other metals. Made from solid C12L14 carbon steel that meets AISI 12L14 standards, these things are built tough. They've got 5/16-18 internal threads and 1/2-13 external threads in a compact 0.484 inch length. The best part? You don't need any special tools to install them - just use standard drills and taps that you probably already have in your toolbox. They come with pre-applied adhesive that activates during installation, creating a super strong bond that seals against liquids and gases up to 6,000 psi once fully cured. They're self-locking too, so they won't vibrate loose over time. You can install them using a simple screwdriver, bolt and jam nut, or if you're doing a lot of them, there's an optional drive tool available. Made right here in the US, these inserts are perfect for automotive work, machinery repair, or any project where you need to reinforce or restore threaded holes. They're fastener-ready in just 3-5 minutes, though the adhesive takes about 72 hours to reach full strength. This pack of 10 gives you plenty for multiple repairs or to keep on hand for future projects. Seriously, these little inserts can save you from having to replace expensive parts - they're total game-changers for anyone who works with metal!
Free 30-day returns 
Free 30-day returns
