29PCS inch saizi HSS twist drill bits set

1.Wide Size Range: Ichi chigadziro chinosanganisira zvakasiyana-siyana zvekuchera zvimedu, zvichipa kushandiswa kwakasiyana-siyana kwezvido zvekuchera zvakasiyana mumaindasitiri, kuvaka, kana DIY kushandiswa.

2.Imperial size drill bits inowanzoshandiswa muUnited States nedzimwe nyika dzinoshandisa hurumende yehurumende, zvichiita kuti iyi seti ienderane nezvinodiwa zvakawanda zvekuchera.

3.High-speed steel drill bits zvakagadzirirwa kupa maburi akachena, akarurama, zvichiita kuti zvive zvakanaka kune zvikumbiro zvinoda kunyatsochera.

4.High-speed steel drill bits inogadzirwa kuderedza kupisa kunogadzirwa panguva yekuchera, iyo inobatsira kudzivirira workpiece kukuvara uye inowedzera hupenyu hwechibhorani.

5.High-speed steel drill bits inozivikanwa nokuda kwehupenyu hurefu hwebasa uye kupfeka kusagadzikana, kupa mhinduro dzakavimbika uye dzakasimba dzekuchera mapurojekiti akasiyana-siyana.

6.Many drill bit sets anouya nekasi yekuchengetedza kuti abatsire kuronga nekudzivirira mabhiti ekubooresa, kuita kutakura uye kuchengetedza seti iri nyore.