ʻO ka ʻuala o ka hale hana maikaʻi ʻo Spiral/Straight Flute Step Drill Bit No ke kila kila

Hoʻohana nui ʻia nā ʻōkuhi kila kiʻekiʻe no ka wili ʻana i nā pā kila lahilahi i loko o 3mm. Hiki ke hoʻohana ʻia hoʻokahi drill bit ma mua o ka nui drill bit. Hiki ke hana ʻia nā puka o nā anawaena like ʻole e like me ka mea e pono ai, a hiki ke hana ʻia nā puka nui i ka manawa hoʻokahi, me ka ʻole o ka pono e hoʻololi i ka drill bit a me ka drill positioning hole. I kēia manawa, hana ʻia ka mea hoʻoheheʻe hoʻohui i ka CBN all-grinding. ʻO nā mea hana he kila kiʻekiʻe kiʻekiʻe, cemented carbide, a me nā mea ʻē aʻe, a ʻoi aku ka kiʻekiʻe o ka hana ʻana. E like me nā ʻano hana like ʻole, hiki ke hoʻokō ʻia ka mālama ʻana i ka uhi ʻana e hoʻonui i ke ola lawelawe o ka mea hana a hoʻonui i ka lōʻihi o ka mea hana.