Hoʻohana nui ʻia ka huila wili i ka hana ʻana a ʻo ka hapa nui o lākou he huila taper, huila kīʻaha pololei, huila kīʻaha a me nā huila ʻano maʻamau ʻē aʻe. Pili i ka hana nui a i ʻole ka mālama ʻana / hoʻoponopono ʻana i nā mea ʻoki e like me nā drills, milling & turning tools. Hoʻokō ʻia nā koi o ka ʻoki ʻana a me ka hiki ke paʻa ʻana i ke ʻano.
| ʻAnoʻano | Code No. | kala kala | hiʻona | koho |
| ʻeleʻele alumina fused | A | Hinahina | ʻo ka rigidity kiʻekiʻe, ka maʻalahi ikaika, ke kumukūʻai haʻahaʻa, hiki ke hoʻohana ākea | kūpono no ka wili kila maʻamau, wili, wili ʻoʻoleʻa, kiʻekiʻe anti-huki Ka ikaika wili metala pū kekahi, ʻo ia hoʻi |
| ʻOke alumini keʻokeʻo | WA | keʻokeʻo | ʻoi aku ka nāwaliwali o ka rigidity ma mua o A. | He kūpono no nā ʻāpana hana i hana ʻia me nā mea kila Chilled steel, High-speed steel, High-carbon steel, |
| Chromium corundum | PA | ʻulaʻula, ʻulaʻula-ʻulaʻula | ʻOki ʻoi, paʻa nā kihi maikaʻi, paʻa | He kūpono no ka wili ʻana, nā pahi, Measering instrument |
| Kāpena silika ʻōmaʻomaʻo | GC | ōmaʻomaʻo | ʻAʻole ʻoi aku ka paʻakikī ma mua o ka Boron carbide | He kūpono no ka wili ʻana i ka paʻa paʻa, ke aniani Optical, vitrify a me nā mea paʻakikī ʻē aʻe. |
| ʻEleʻele silikon carbide | C | eleʻele | ʻOi aku ka paʻakikī ma mua o ka corundum, crisper, liʻiliʻi ka maʻalahi. | He kūpono no ka hana ʻana i ka ikaika Tensile ikaika metala a me nā mea nonmetallic, ʻo ia hoʻi |
Mea Hana a me nā ʻoihana ʻoki: Drill, mill hope, hob, broach, pahi ʻoki, mea hoʻohuli.
