REASSURING QUALITY: These screw extractors made of chrome vanadium steel, tempered twice, high hardness, rust-proof, solid and durable.
IDEAL DESIGN:Aggressive left handed(extractors) and righted handed(drill bits) spiral flute design for extra gripping power,it's an 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 screw extractor into the hole and use a wrench to rotate counterclockwise to take it out.
HOW TO USE:Drill a hole in the center of broken screw first with proper drill bit, then use a proper extractor to take screw out.Drill bits' diameters and recommended extract diameters of broken screws are etched on case. The thread direction of the screw is positive, while the thread direction of the broken wire extractor is reverse.
WIDELY APPLICATION:This easy out extractor is designed to remove damaged, rusted or stripped screws, studs, bolts, fastener, metal water tap and water tube, etc.Drill bits can also be used to bore holes on wood, metal, plastic, brick and wall, etc.