Some of the time, chasing the thread works great and it’s simple. All you do is thread the tap into the damaged bolt hole to straighten the threads. If it holds the specific torque rating ...

One person grabs the bolt with a pair of vice grips and pulls down. At the same time, the other person exerts downward ...

To clean rusty or stripped nuts and bolts, follow these steps: Grab a rethreading tap from the kit to restore threads on nuts ...

It won't fit early two-bolt mounting-system chassis unless you drill and tap the missing bolt-holes (B, or use an adapter kit). The passenger-side on this late Pontiac 400 block has no "leftover ...

When inserted into a damaged bolt hole, or a newly drilled one, and then twisted, taps cut into the material and make fresh, new threads. The tool used for this operation is often a T-handle tap ...

The tap is screwed in one full turn and backed ... Once seated, the tang gets broken off, opening up the bolt hole. You may use Permatex’s Threadlocker on the outside threads for added security.

The Heli-Coil insert is a clever idea where you drill out the damaged threads, tap the hole, and screw in the precision Heli-Coil threaded insert. When you’re drilling out the damaged fastener ...

What makes bolts fail? Bolts and screws break ... remove all the debris from the hole. When you don the correct-sized Heli-Coil tap, lubricate the threads with a Permatex Fast Break Super ...