Rocking drilling tools cross bit

Rock drilling tools : Cross Bits Tapered cross bits (taper 7, 12degree) and Thread Cross bits (R22, R25, H25, R28, R32, T38, T45, T51, ) Mostly use for hand rock drill. We make them by alloy steel by forging and select suitable tungsten carbide insert by customers requests according to their stone types. Such as for, limestone, marble, granite etc. Size from 32mm-89mm Tapered cross bits (taper 7, 12degree) and Thread Cross bits (R22, R25, H25, R28, R32, T38, T45, T51, ) Mostly use for hand rock drill. We make them by alloy steel by forging and select suitable tungsten carbide insert by customers requests according to their stone types. Such as for, limestone, marble, granite etc. our drill machine and bit main for mining ,include button bit , DTH bit , cross bit , chisel bit , coal cutting bit, drill rod , drill shank and so on . our products had exporting all over the world ,such as Australia , US , UK , India , Iran ect. we accept OEM order