Milling machine: where is the cutting tool mounted? Identify the correct component on which the milling cutter is mounted (general shop practice context). Choose the correct option.

Shop context and assumptionIn conventional horizontal milling machines, the cutter is mounted on an arbor, which is supported by the spindle and overarm. (In vertical milling, certain cutters mount directly in the spindle, but the common textbook answer for this general question is “arbor”.)

Final AnswerArbor.