Tungsten carbide tapered type cross bits for jack hammer for Tunnel Mine Use
cross bit
Tapered drill bits connect tapered drill steel of rock drill for drilling holes.The taper cross bits can be used under any rock drilling condition because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled, which means carbides shape are cross type on drill bits. Taper cross bit is mainly used for hard or very hard rock formation.