10-Piece Screw Extractor and Drill Set includes 564, 764, 532, 14, 1764 quick cut-point drills and No.1, No.2, No.3, No.4, No.5 spiral screw extractors. Screw extractors are used when a screw or bolt has broken off while still in the fastening hole.
Effectively remove broken bolts or studs with this all in one set
Set includes High Speed Steel Drill Bits and Spiral screw extractors for pre-drilling and extracting