Sehlahisoa se bonolo ho sebetsa ebile se ka tšeptjoa.E fumaneha bakeng sa mefuta eohle ea cylindrical milling cutter, milling cutter, angle cutter, milling cutter le sefahleho sa lifofane tse fapa-fapaneng, sefofane se sekametseng, groove, joalo-joalo. likarolo tse khethehileng tse bōpehileng joaloka holim'a spiral, ho hlophisoa ha hlooho ea ho sila ea bokahohleng, tafole e chitja, boholo ba mochine o ka sebetsang bo ka atolosoa le ho feta.