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Multiple Choice

Which statement describes the purpose of a reamer?

Finishing an internal hole to a precise size and smooth surface is what a reamer does. After drilling or boring, a reamer is used to bring the hole to its final diameter within tight tolerances and with a much smoother finish. It removes only a small amount of material at a slow feed, which helps keep the hole round, straight, and true along its length. This precision makes the hole meet exact measurements and provides a better surface finish than drilling alone. It’s not used for removing burrs on the outside, cutting external threads, or widening a hole quickly, which are handled by other tools. So the purpose described is finishing a drilled hole to a precise, smooth size within tolerance.

Finishing an internal hole to a precise size and smooth surface is what a reamer does. After drilling or boring, a reamer is used to bring the hole to its final diameter within tight tolerances and with a much smoother finish. It removes only a small amount of material at a slow feed, which helps keep the hole round, straight, and true along its length. This precision makes the hole meet exact measurements and provides a better surface finish than drilling alone. It’s not used for removing burrs on the outside, cutting external threads, or widening a hole quickly, which are handled by other tools. So the purpose described is finishing a drilled hole to a precise, smooth size within tolerance.