Screw extractor: This allows you to unscrew defective screws!
How to remove defective screws with a screw extractor Screw extractors allow the removal of defective screws. A hole is first drilled in the centre of the screw after the centre has been properly center-punched. Then the screw extractor is screwed into the drilled hole counterclockwise (left-handed). An adjustable tap wrench or a tool holder …
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