1. Tungsten carbide insert cutter of high strength and toughness
is used to increase the impact resistance of cutters and decrease
the breakage rate.
2. The features of TCI bits lead to its drilling formation almost
are hard rocks, like limestone, dolomite, chert, firm sandstone,
firm anhydrite, etc.
3. Widely used in oil
exploration, mining prospecting, subterranean heat, hydrology,
et