It all depends on how exactly your bolt was damaged.
1. Bolt head slots were cut off. In this case, you need a bolt and nut extractor. It looks like a nut socket with a special tapered spiral design.
How to use - Put the head of the appropriate size on the bolt and turn it counterclockwise.
2.The bolt head is completely broken off and part of the threaded bolt is stuck in the hole. Then you need a metal drill bit and
screw extractor. In the store, you can buy a set, where there are both drills and extractors of different sizes at once.
How to use - The first drill a hole in the bolt. Then insert the extractor into the hole and turn it counterclockwise.
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