Justmysport Screw Extractor for Removing Stripped Screws and Bolts with Case Specifications: Trying to remove a screw or bolt that is either stripped or has had the head snapped off is never a fun task. These will save you a lot of time.The set comes in a small plastic snap case with four different size bits,with one end being used to burnish the end of the bolt/screw, and the other to grip and extract it,save your time and energy. Instructions: This screw extractor is very easy to use,first of all, put this tool in the chuck so that the cutting side of the tool is placed dead center of the stripped screw. Then press hard and start the drill in reverse, slowly, approx 60 rpm i.e. one rev per sec. The tool will remove some metal from the screw and create a conical grooove. Now remove the tool to change its direction installing it upside down into the chuck. This way the screw removal end will be placed into the groove recently made. Press the tool hard into the groove already made. Then start the drill in reverse, slowly approx 60 rpm.The tool will bite the screw in a couple of revolutions and the screw will start rotating.
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