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 ...

Standard taps are actually designed to cut new threads rather than chase existing ones. Every time you use a standard tap to chase a set of head bolt threads, for example, the tap will also remove ...

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 ...

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 ...

the C-Sert’s internal threads are as hard as a tap, making them highly resistant to damage from bolts once installed. “Other products and attempts to repair did not sustain over time,” Dearing says.