tct standard annular cutter size hkx l 022 for dia 21 5mm 75 mm cutting depth of heavy duty magnetic drill machine of bds maschinen germany model ma basic 50 make bds dormer pramet mirand sandvik addision only warranty period 30 months after the date of delivery tct standard annular cutter size hkx l 022 for dia 21 5mm 75 mm cutting depth of heavy duty magnetic drill machine of bds maschinen germany model ma basic 50 make bds dormer pramet mirand sandvik addision only