Molemo:
Khoele ea trapezoidal e boetse e bitsoa Aike female thread.Khoele e nyane hanyenyane, empa e ka fetoloa ka linate ka mor'a ho apara.Thepa ea khoele ea metric ke likhato tse 30, 'me khoele ea khoele ea inch ke likhato tse 29.Ka kakaretso e sebelisoa bakeng sa screw lead ea lathe.Letšoao ke "TR".
Re sebelisa lisebelisoa tsa tšepe tsa tungsten ho netefatsa botsitso ba lihlahisoa tse tsoang lihlahisoa tse tala
Kopanya seaparo se loketseng ho latela lisebelisoa tsa workpiece.Re leboha lisebelisoa tse silang tsa likhoele tse phahameng ho etsa bonnete ba hore boleng bo tsitsitseng ba lihlahisoa tsa rona.