machine tools, namely, cutting tools, toolholders, and clamping holders for external and internal stock removal machines, namely, external cutting tools, namely, parting-off, serrated, and threading toolholders, parting-off and grooving blades, parting-off and threading tool bits; internal cutting tools for machines, namely, boring and threading toolholders, boring, recessing, threading, and facing tool bits, and boring bars; and countersinking tools for machines, namely, countersinks and she...