Hollow drill ibyuma bitugu bitwara ibikoresho byo gucukura inkoni

Ubusainkonizikoreshwa muri kariyeri ya granite na marble, ikirombe cya zahabu, gari ya moshi, umuyoboro, nibindi byo gucukura.Ubusainkoni ya drill ifite ubuzima bugoye, ihererekanya ingufu za percussion kuva mumyitozo ya rutare ikajya gucukura hanyuma ikinjira mubutare.Bashobora kandi guhangayikishwa cyane, tutibagiwe n'amazi yangirika mu mwobo utemba.