... exporting various kinds coal cutters, coal picks, coal cutter picks, coal bits, coal drill bits. They ... with products which are ideally tailored to your machine and drilling job - to give high feed ... They are used for road milling,ground stabilizing,cutting asphalt and road,etc.3.the head ... wining machine,roadheader,etc.;6.various design can be applied to all of your cutting condations cutter teeth ...