Originally Posted by
big john
I use extractors as a last resort. If you do, drilling the right size hole and centering the hole is key to a stuck bolt. Also apply a little heat, especially if there is a threadlocker product on the threads. If a bolt is really stuck, like cross threaded or rusted, an extractor will probably just break.
Hard for a hacker to center that hole and drill it straight without a drill press. Ask me how I know.