ʻO kahi hiʻohiʻona kaulana o nā SD series drill bits ʻoi aku ka nui o nā pihi, kahi e hoʻonui ai i ka ikehu i hoʻokuʻu ʻia i ka wā wili. Hana ʻia nā drills SD series e like me nā kūlana maikaʻi loa a hana ʻia me ke kila nickel-alloy kiʻekiʻe e hoʻomaikaʻi ai i ka paʻa a me ke kūpaʻa. ʻO YK 05 tungsten carbide ka pae like me nā hōʻailona kaulana o ka honua. ʻO ke kaʻina hana machining CNC holoʻokoʻa e hōʻoia i ka kūlike a me ka hilinaʻi maikaʻi, me ka lōʻihi o ka lawelawe ʻana a me ka liʻiliʻi o nā pilikia. Hoʻolālā kūikawā ʻia kā mākou drill bit no ka hana kiʻekiʻe, hiki ke hoʻomaʻemaʻe i ka puka a me ka permeability kiʻekiʻe. Hiki iā mākou ke hāʻawi i ka hopena maikaʻi loa no kāu mining, ʻoi aku ka maikaʻi a ʻoi aku ka maikaʻi.