Ka whakaekea e matou he momo taputapu me nga punaha taputapu mo te maina.Ko o maatau whakaurunga ka whakarite i nga tikanga whakangao ohaoha me nga tuku i te waa me nga hua kounga teitei.
E waatea ana nga paraka mo te keri poka pupuhi, te tutakina o te tuanui me te tirotiro i nga diameter mai i te 24 mm ki te 150 mm me nga miro whakamahia noa.I te nuinga o te waa he mea whakauru ki a tatou paraka wiri ki te whakauru tungsten carbide.
Mo nga ahuatanga toka tino abrasive ka tūtohu matou i a matou paraka drill me nga whakauru polycrystallin. Ka taea e o matou paraka te whakawhiti ki te
KENNAMETAL :TS2, TS4, TS8, TS11, TS20, TS21, TS26, C4/U43H, TH3S, TH3, TS3, TS7, TS10, TS15, TS17, TS18, TS19, TS25, TS30, TS31, TS32, TS5, TS9, TS14, TS16, TS33, TS34, TS3C, TS13C, TS19C, TS5C, TS14C, TS16C, TS28C, TS29C, C4, C4-1, C6, C7, T6, T7, T12, T14, T1, T5,KSM5
BETEK :BKS111,BKS112,BTK62,BTK29,BTK63,B40KS15,BTK64,BGS78,BGS80,BGS75,BGS41,BGS20,B47GK22LK