Eight piece Stud/Bolt Extractor.Internal Screw type for removing right hand threaded Studs, Bolts large screws and threaded pipe. This type of Extractor is commonly used on Bolts/Studs that have snapped off flush preventing the use of external Extractors. Simply drill the bolt/stud to the correct size for the corresponding extractor then screw in the correct size Extractor in an anti-clockwise direction.Sizes: #1 (3-6mm), #2 (6-8mm), 3# (8-11mm), 4# (11-14mm), 5# (14-18mm), #6 (18-20mm), #7 (20-32mm), #8 (22-26mm).
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