1. ʻOki ʻana i nā mea i loko o kahi curl mau
2. No chip blockage, puka milo
3. Kiʻekiʻe flexural pōʻino ikaika
4. ʻOi aku ka hana chip, High speed machining
ʻO ke kī ʻo Sprial pointed, ʻike ʻia hoʻi ʻo ka tip tap, kūpono ia no nā lua a me nā kaula hohonu.Loaʻa iā lākou ka ikaika kiʻekiʻe, ka lōʻihi o ka lawelawe ʻana, ka wikiwiki o ka ʻoki ʻana, ka nui paʻa a me ka nānā ʻana i ke ʻano niho, He ʻano ʻokoʻa ia o ka tap flute pololei kūpono no ka hole machining.