Khulula kwaye ubambe ngesandla, umsebenzi olula kwaye okhawulezayo wonga ixesha lokubambaUlwakhiwo lwegiya kumandla okubamba olomeleleyo.akukho ukutyibilika ngelixa usebenzaUkugrumba iRatchet kunye nokucofa kungasetyenziswaKulula ukususa i-drill chuck ye-thrust nut kunye nokugcina ngokufanelekileyo ukuchaneka komngxuma ongaphakathi we-conical.Isetyenziselwa ukugaya ibhentshi, umatshini wokugaya ingalo ye-radial, ukugaya kunye nomatshini wokucofa, iileyile, umatshini wokugaya, i-magnetic drills;njl