Fine Factory Spiral/Sightight Flute Step Drill Bit For Stainless Steel

Kubowola kwachitsulo kothamanga kwambiri kumagwiritsidwa ntchito kwambiri pobowola mbale zoonda zachitsulo mkati mwa 3mm.Kubowola kumodzi kungagwiritsidwe ntchito m'malo mobowola kangapo.Mabowo a mainchesi osiyanasiyana amatha kukonzedwa monga momwe amafunikira, ndipo mabowo akulu amatha kukonzedwa nthawi imodzi, popanda kufunikira m'malo mwa kubowola ndikubowola mabowo.Pakadali pano, kubowola kofunikira kumapangidwa ndi CBN yonse-akupera.Zidazo ndi zitsulo zothamanga kwambiri, carbide yolimba, ndi zina zotero, ndipo kulondola kwazitsulo ndikokwera kwambiri.Malingana ndi zochitika zosiyanasiyana zogwirira ntchito, chithandizo chophimba pamwamba chikhoza kuchitidwa kuti chiwonjezeke moyo wautumiki wa chida ndikuwonjezera kulimba kwa chida.