... bits,mining picks,anflats picks,holder and rock drilling tools ect. we also can make it according to ... .Our products include all kinds of round cutter bit and flat cutter bits for excavate coal machine ... B47K22H, B43K, B43H, BHR73 etc and coal bolting bit and coal bolting rod.We have exported our products to ... Brazil, Canada, Korea, Japan, HongKong, Singapore, etc Cross bit/Cross Bits/Cross chisel bit-1