Taper shank twist drill ndiyo inonyanya kushandiswa chishandiso chegomba machining, kazhinji ine dhayamita ye0.25 kusvika 80 millimita.Inonyanya kuumbwa nezvikamu zvekushanda uye shank zvikamu.Chikamu chekushanda chine maviri spiral grooves, akaumbwa senge twist, saka zita rayo.Kusiyana neiyo yakatwasuka shank twist drill, iyo taper shank twist drill chikamu ine taper.Madimikira akasiyana e twist drill ane akasiyana Morse taper.
1. Yakagadzirwa kuDIN338, DIN340, DIN1897
2. High quality HSS simbi, 4341/9341/M2/M35
3. Roll forged, ivhu rakazara
4. Nzvimbo yekona: 118 ° kana 135 °
Iyo yepakati drill inoshandiswa kugadzira buri repakati pamucheto weshaft uye zvimwe zvikamu.