Alden 8430P Pro Grabit Broken Bolt and Damaged Screw Extractor 3 Piece Kit
Pro Grabit 3 piece extractor kit works on damaged screws and broken bolts from as small as No. 4 screw to as large as 5/16 in. bolt.  Quickly and easily removes most damaged screws such as Hex, Phillips, Torx, Square Drive; sizes No.4 - 14 from wood, plastic or metal up to 3 inches in length.  Two-step drill bit and extractor in one tool extracts broken bolts and damaged screws fast; use in reverse only when drilling and extracting with reversible hand held power drill. Can drill up to grade 8 or 10.9 class fasteners; extracts bolt sizes No. 10- 5/16 in. (5mm - 10mm). Serrated extracting end of tool results in greater torque for hard to remove bolts and screws. No bolt preparation required. Professional grade multi-purpose extractors compatible with "quick-connect" chuck systems or chucked directly into drill.  Good for multiple extractions with single tool.