One way how to extract a broken screw + drill and torx key.

Removing screws that have a stripped head can be frustrating. There are lots of reasons a screw head can strip, but one of the easiest ways to remove a screw that has a stripped head is to use a screw extractor bit. An extractor bit features two ends. One end looks a little like a short twist drill bit, and it is called the burnisher. The burnisher cuts away some of the stripped original driver profile, leaving a clean surface. The other end is the extractor, which features sharpened threads tha