OCGIG 11 PCS Damaged Broken Screw Extractor Drill Bit Bolt Stud Remover Tool Kit Set
- Made from Chrome vanadium steel, High hardness.
- Drill bits' diameters and recommended extract diameters of broken screws are etched on case.
- Aggressive left handed(extractors) and righted handed(drill bits) spiral flute design for extra gripping power.
- Ideal to remove damaged, rusted or stripped screws, studs, bolts, fastener, metal water tap and water tube, etc.
- Note:First drill a dragon on the broken screw with an electric drill, then gently tap the extractor into the hole and use a wrench to rotate counterclockwise to take it out.