Nzira yekuboora sei iyi conical hole pane MS & SS ndiro? Tine nhanho nhatu, isu tinosarudza matatu maratidziro ekuchera matomu ekuboora iyo ndiro, iyo yakakwira inogona kuve 20mm ukobvu. Semuenzaniso, patinochera ndiro imwe ine 20mm ukobvu, chekutanga tinoshandisa yepakati saizi yekuchera zvishoma kubaya kudzika kwe18mm, wobva washandisa diki yekuchera kudhiza iyo yekupedzisira 2mm ndiro, pakupedzisira shandisa hukuru hukuru hwekuchera kuita gomba repamusoro kukura kusvikira kudzika kwe10mm. Ehezve iyo ukobvu hweplate hwakavakirwa pane zvinodiwa nevatengi, isu tinoshandisa iyo yekunze yekuchera bit, iyo inogona kuoneka mune china musika kashoma, ndicho chikonzero nei tichigona kugadzira iyo conical gomba kune vatengi vedu.