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What kind of drill bit is shaped like a star but has a hole in the center?
Wiki User
∙ 14y ago
That is a driver bit, not a drill bit. It is used to remove special screws sometimes used by door companies. Those screws make it not possible to remove a door or the hinges without that bit. One of the hinges will have to be a "NRP" (non-removable pin).
Wiki User
∙ 14y ago
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How is a masonry bit used?
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What kind of drill bit can you use for sheetrock?
You don't need a drill bit for anything on drywall.
