In this report. a driven rotary tool's machining performance on SUS304 stainless steel was examined. The rotary tool was attached to a milling axis on a multi-tasking lathe which has B axis control. It is possible to adjust the tool's circumferential speed as the tool is controlled to rotate by a milling motor. https://www.alarecre.com/NHL-Vegas-Golden-Knights-Black-Background-iPhone-14-Plus-Skin-p42149/