... most commonly useful bits in the mineral exploration industry, as they have the widest range of application.2,The carefully ... diamonds to the bits' cutting face as wear occurs. Fast penetration rate is maintained as a result of this action.5,Our impregnated ... B86, B101, B116, B131, B146WFseriesHWF, PWF, SWF, UWF, ZWFWTseriesRWT, EWT, A WT, WT, WT, HWTWMseriesEWM, AWM, BWM, NWM, HWMWGseriesEWG, AWG, BWG ...