... ,TBM cutters,auger bits,mining picks,anflats picks,holder and rock drilling tools ect. we also can make it according to Kennametal ... drawings.Our products include all kinds of round cutter bit and flat cutter bits for excavate coal machine as the replacements ... , U118 ,B47K17H, B47K19H, B47K22H, B43K, B43H, BHR73 etc and coal bolting bit and coal bolting rod.We have exported our products to ...