11pcs Broken Screw Drill Bits11pcs Broken Screw Drill Bits and Extractor Set Bolts Fastners Taken Out Removal ToolFeatures :This set is designed to remove damaged, rusted or stripped screws, bolts and fasteners.The bits are made of high speed steel for high hardness that allows drilling through most screws.Tool steel extractors feature a left-hand spiral flute, designed for greater gripping strength.Easy to use, simply drill a hole in the center of the broken screw using a suitable drill bit, then use a suitable extractor to remove the screw.Comes with a tap handle that can hold the extractor firmly; for large extractors, you can use an adjustable wrench.Specifications:Material: HHS (drills), tool steel (extractors)Suitable screws (for guidance):#1 for M3~M3.5#2 for M4~M4.5#3 for M5~M7#4 for M8~M9#5 for M10~M12Drill Bit Diameter: 2.0mm, 3.0mm, 4.0mm, 6.5mm, 7.5mmThe package includes:1 x Broken Screw ExtractorNoticed :Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.productThis set is designed to remove damaged, rusted or stripped screws, bolts and fasteners.The bits are made of high speed steel for high hardness that allows drilling through most screws.Tool steel extractors feature a left-hand spiral flute, designed for greater gripping strength.Easy to use, simply drill a hole in the center of the broken screw using a suitable drill bit, then use a suitable extractor to remove the screw.FeaturesThis set is designed to remove damaged, rusted or stripped screws, bolts and fasteners.The bits are made of high speed steel for high hardness that allows drilling through most screws.Tool steel extractors feature a left-hand spiral flute, designed for greater gripping strength.Easy to use, simply drill a hole in the center of the broken screw using a suitable drill bit, then use a suitable extractor to remove the screw.