… Machine-tools (including way-type unit head machines) for drilling, boring, milling, threading or tapping by removing metal, other than lathes …
Explanatory notes
… 84.59 ‑ Machine-tools (including way-type unit head machines) for drilling, boring, … work the internal surface of an existing hole to exact dimensions. Boring may be cylindrical, conical or spherical. … (expanding‑end borers, inset‑strip borers, micrometrically adjustable boring heads, boring heads with inset cutters) or …