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This guide will show you how to extract a screw that has broken while being embedded inside its hole, along with showing you how to replace it with a new one. This process works for screws inside walls, pieces of lumber, or metal. The guide requires a couple of power tools, so you should always use the necessary precautions when using them to avoid any injuries.
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Use an angle grinder to grind the tip of the broken screw until its surface is smooth and even.
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Place a center punch in the middle of the tip of the screw.
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Use a hammer to hit the center punch to make a dent in the center of the embedded screw.
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Place a center drill bit in the dent made in the previous step and start drilling until it expands enough to fit the standard drill bit inside it.
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Make a hole in the tip of the screw by drilling with a standard drill bit.
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Keep drilling until the hole reaches near the end of the screw.
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Insert a screw extractor in the hole and then hammer it inside, making sure it is tight.
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Using a wrench, unscrew the extractor.
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The screw will come along with it, freeing the hole.
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Screw the new screw inside the freed hole.
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University of Puerto Rico Mayagüez, Team 2-17, Cools Stephens Fall 2021 crwdns2935289:0University of Puerto Rico Mayagüez, Team 2-17, Cools Stephens Fall 2021crwdne2935289:0
UPRM-COOLS STEPHENS-F21S2G17
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