Viking Drill & Tool Screw, Stud & Pipe Extractors Square Style Type 421-UB Set

Viking Drill & Tool Screw, Stud & Pipe Extractors Square Style Type 421-UB Set

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The square shape of these extractors gives the tools the ability to remove broken bolts, screws, and pipes with minimum deformation of the broken part. These extractors will not chew up or expand the object to be removed.

To remove the broken threaded part: Drill a hole in the end of the broken part (left hand spiral heavy duty drills are recommended for this drilling operation), insert extractor, then turn counterclockwise using a wrench on the exposed end of the extractor.