DRILLMORE e fana ka mefuta e fapaneng ea likotoana tsa ho cheka bakeng sa ho cheka mekoti, e ka fihlelang litlhoko tsa hau tse fapaneng tsa ho cheka.

Merafo le likotoana tsa ho cheka liliba ke likotoana tse borehileng tse phunyang le ho phunyelletsa le mafika a bonolo le a thata. Li sebelisoa merafong, ho cheka liliba, ho chekoa, ho etsa likotopo,

Blast Hole Drilling ke mokhoa o sebelisoang merafong moo lesoba le phuntsoeng holim'a lefika, le tletse lintho tse phatlohileng, 'me lea phatloha. Sepheo sa mokhoa ona ke ho etsa hore ho be le mapetso

Hangata lichate tsa IADC cone drilling bit classification li sebelisoa ho khetha bonyane bo molemo ka ho fetisisa bakeng sa ts'ebeliso e itseng. Boemo ba karolo e 'ngoe le e' ngoe ka chateng bo hlalos

Li-tricone bits li tla sebetsa bakeng sa mofuta ofe kapa ofe oa sebopeho sa majoe hore na se thata, se mahareng, kapa se bonolo.