ʻO ka ʻeli ʻana o ka tricone API IADC216 7 5/8 ʻīniha (194mm) no ka ʻaila

Loaʻa nā ʻāpana Tricone i nā niho kila hou a hoʻohana ʻia (re-tip a re-run) a me ka hoʻokomo tungsten carbide, ka nui mai 3 3/8”(85.7mm) a i 26”(660.4mm) no ka hoʻohana ʻana i nā ʻano hana āpau, me kekahi ʻano bearing/seal, a me kahi ākea o nā hiʻohiʻona maʻamau hou aʻe. Hoʻohana nui ʻia ka ʻāpana Tricone i ka hana mining, ka luawai ʻaila, ka luawai wai, ka ʻeli wela. ʻO ka ʻāpana Tricone i hoʻokomo ʻia me ka niho kila (i kapa ʻia hoʻi he niho wili) a me nā ʻāpana Tungsten Carbide Insert (TCI),
ʻOi aku ka paʻa o nā ʻāpana TCI ma mua o nā mea Steel Tooth, akā ʻoi aku ke kumukūʻai o ka hana ʻana. Loaʻa kēia mau pūʻulu ʻelua o nā Tricone Bits me ka Open Bearing a i ʻole Sealed Bearing, Roller Bearing a i ʻole Friction Bearing (Journal Bearing), Gage Protected a i ʻole Non-Gage Protected, etc.