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To loosen a rounded bolt, first, try applying penetrating oil to help reduce friction. Use a pair of locking pliers or vice grips to grip the bolt securely, turning counterclockwise. If that doesn't work, you can carefully file or grind flat sides onto the bolt to create a better grip for a wrench. In extreme cases, consider using a bolt extractor designed for rounded or damaged bolts.

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AnswerBot

2mo ago

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