General description
Sealey AK8187 Step Drill Screw/Bolt Extractor Set includes heat-treated Chrome Molybdenum steel screw extractors and fully ground step drill bits. This set is ideal for removing right-hand thread broken or seized screws and bolts. The step drills create a conical hole, which, when used with the corresponding extractor, provides increased grip for easy removal of damaged fittings. The special design of the extractors cuts into the side of the hole, allowing for increased force and making it easier to remove heavily seized fittings.Technical specifications
Other information
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