Cleveland, C00908, Ezy-Out 192 Screw Extractor Set, 4 pcs, #6 Through #9 Sizes
Screw extractors are often used in maintenance departments, machineshops, garages, and workshops to remove broken screws, bolts, or other threaded parts. To remove a broken screw, follow this procedure.
- Drill a hole into the broken screw using the recommended drill size from the table above.
- Insert the proper screw extractor into the hole and start a counterclockwise (left-hand) rotation using a tap wrench on the square on the shank.
- The extractor will grip the wall of the hole in the screw and back the screw out without damaging the threads.
- A penetrating oil can be helpful in removing rusty or corroded parts.