230PCS HSS Titanium Coated Twist Drill Bit Set

Kufotokozera Kwachidule:

Chobowolacho chimapangidwa ndi chitsulo chothamanga kwambiri chokhala ndi zokutira kwa titaniyamu nitride, zomwe zimapangitsa kulimba kwapamwamba kwambiri kuti zithandizire kulowa muzinthu zolimba pomwe zimalimbana ndi dzimbiri zimachepetsa kukangana pakati pa pang'ono ndi chogwirira ntchito.
Zobowola izi zimabwera ndi mapangidwe opindika kuti muwonjezere liwiro lodulira ndi nsonga yopindika yomwe ndi gawo logawanika la 135 digirii yodzipangira nokha komanso yopangidwira kudula mabowo mwachangu chifukwa imalepheretsa kuyenda, kuchotsa tchipisi ndi tinthu mwachangu.
Black oxide kutsirizitsa kumachepetsa kuvala pang'ono pomwe kumalimbikitsa chip ndi kuzizira kwa zinthu zachitsulo.