Hoʻopuka ka hui i nā ʻāpana hui non-planar me nā ʻano like ʻole a me nā kikoʻī e like me ke ʻano wedge, triangular cone type (pyramid type), truncated cone type, triangular Mercedes-Benz type, flat arc structure, etc. ʻO ka ʻenehana kumu o ka polycrystalline diamond composite sheet apono ʻia, a kaomi ʻia a hoʻokumu ʻia ke ʻano o ka ʻili, ʻoi aku ka ʻoi aku o ka ʻoki ʻoki a ʻoi aku ka maikaʻi o ka hoʻokele waiwai. Ua hoʻohana nui ʻia i ka ʻeli ʻana a me nā māla e like me nā bits daimana, nā ʻāpana cone roller, nā mining bits, a me nā mīkini ʻoki. I ka manawa like, kūpono loa ia no nā ʻāpana hana kikoʻī o nā pahu drill PDC, e like me nā niho nui / kōkua, nā niho ana nui, a me nā niho lālani lua.