puurpink, milles lõikeriistad on töötlemisoperatsioonide järjekorras kinnitatud mitmepositsioonilise hoiduri – revolverpea – külge (vt revolverpea), a single spindle or gang drill in which the spindle supports a head carrying a number of tools and so designed that each tool may in turn be brought to a position suitable for performing its function (see: turret)