A reamer is a tool used to enlarge or smooth the inside of a hole. It typically has a sharp, rotating cutting edge that helps remove material from the sides of a hole to achieve a precise size or smooth finish. Reamers are commonly used in metalworking, woodworking, and plumbing to ensure that holes are accurately sized and free of rough edges. They come in various types, including hand reamers, machine reamers, and adjustable reamers, depending on the specific application.

英語での「reamer」の定義と意味

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