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puur pikkade, suure sügavuse ja läbimõõdu suhtega avade puurimiseks (vt sügavpuurimine), a drill, usually with one or more flutes and with coolant passages through the drill body, used for deep hole drilling (see: deep-hole drilling)
deep-hole drill . Materjalitehnika terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mtr/deep-hole%20drill/1/eng (02.07.2026)