HSS ANNULAR CUTTER 40 MM DIAMETER LENGTH 50 MM SUITABLE TO DRILL MILD STEEL,MM SUITABLE TO DRILL MILD STEEL HSS ANNULAR CUTTER 40 MM DIAMETER LENGTH 50, SUITABLE TO DRILL MILD STEEL PLATES UPTO THICKNESS 50 MM,HSS HOLE CUTTER, 50 MM SUITABLE TO DRILL MILD STEEL HSS ANNULAR CUTTER 40 MM DIAMETER LENGTH.