Re fana ka mefuta e mengata ea lisebelisoa le lisebelisoa tsa lisebelisoa bakeng sa merafo.Mehaho ea rona e netefatsa mekhoa ea tlhahiso ea moruo le ho tsamaisoa ka nako hammoho le lihlahisoa tsa boleng bo phahameng.
Likotoana tsa ho cheka li teng bakeng sa ho phunya masoba a phatlohileng, marulelo a marulelo le ho hlahloba ka bophara ho tloha ho 24 mm ho ea ho 150 mm ka likhoele tsohle tse tloaelehileng tse sebelisoang.Ka kakaretso li-drill tsa rona li na le lisebelisoa tsa tungsten carbide.
Bakeng sa maemo a majoe a hlabang haholo re khothaletsa likotoana tsa rona tsa ho phunya ka li-polycrystallin inserts.Likotoana tsa rona li ka fapanyetsana le
KENNAMETAL :TS2, TS4, TS8, TS11, TS20, TS21, TS26, C4/U43H, TH3S, TH3, TS3, TS7, TS10, TS15, TS17, TS18, TS19, TS25, TS 3, TS 3, TS 30 TS14, TS16, TS33, TS34, TS3C, TS13C, TS19C, TS5C, TS14C, TS16C, TS28C, TS29C, C4, C4-1, C6, C7, T6, T7, T12, T14, KSM1,
BETEK :BKS111,BKS112,BTK62,BTK29,BTK63,B40KS15,BTK64,BGS78,BGS80,BGS75,BGS41,BGS20,B47GK22LK