Extended shank HSS twist Drill Bit rau kev sib sib zog nqus drilling

Qhov txuas ntxiv shank HSS twist laum me ntsis rau kev sib sib zog nqus drilling muaj ntau yam nta uas ua rau nws zoo tagnrho rau drilling qhov tob hauv ntau yam ntaub ntawv.Qee qhov tseem ceeb muaj xws li:

1. Extended shank: Lub ncua shank tsim tsub kom qhov ntau thiab qhov tob ntawm qhov tob qhov drilling yam tsis tas yuav tsum tau nquag repositioning.Cov yam ntxwv no ua rau muaj txiaj ntsig zoo hauv qhov chaw nyuaj mus txog thiab muab kev ruaj ntseg thaum lub sij hawm drilling.

2. High-speed steel (HSS) khoom.

3. ntse txiav ntug.