Ma HSSCO Step Drill Bits Obowolera Zitsulo

Mabowole achitsulo othamanga kwambiri amagwiritsidwa ntchito makamaka pobowola mbale zopyapyala zachitsulo mkati mwa 3mm. Chidutswa chimodzi chobowolera chingagwiritsidwe ntchito m'malo mwa ma bowole angapo. Mabowo a mainchesi osiyanasiyana amatha kukonzedwa momwe akufunira, ndipo mabowo akuluakulu amatha kukonzedwa nthawi imodzi, popanda kufunikira kusintha mabowo obowolera ndi mabowo oyikapo mabowo. Pakadali pano, bowolero lophatikizana limapangidwa ndi CBN yonse yopera. Zipangizozo makamaka ndi chitsulo chothamanga kwambiri, carbide yolimba, ndi zina zotero, ndipo kulondola kwa kukonza ndi kwakukulu. Malinga ndi mikhalidwe yosiyanasiyana yopangira, chithandizo cha pamwamba pa chivundikirocho chikhoza kuchitika kuti chiwonjezere moyo wa chipangizocho ndikuwonjezera kulimba kwa chidacho.