Hollow Drill Bit Classification

Zvichienderana nechimiro chazvo, maburi ekubooresa anogona kupatsanurwa kuita mhando mbiri: imwe isimbi isina mhango, iyo inocherwa kunze nekuboora gomba nepakati pechombo; imwe yacho chishandiso chakatonhodzwa nechomukati, chine migero inotonhodza mukati memudziyo, ichibvumira mvura yekucheka kuti iyerere nemumudziyo wekutonhodza nekuzora.

Zvichienderana nemashandisirwo azvinoitwa, mabhiti ekubooresa maburi anogona kupatsanurwa kuita tungsten steel hollow drill bits, high{0}}speed steel hollow bhiti, tungsten carbide hollow drill bits, zvichingodaro.