Standard MAGTRON Cobalt cutters are available in the following sizes: Cutting depth 30 mm: Ø12 mm - Ø100 mm Cutting depth 50 mm: Ø12 mm - Ø100 mm Cutting depth 75 mm: Ø18 mm - Ø100 mm Cutting depth 100 mm: Ø18 mm - Ø100 mm Special sizes, shank configurations, materials and finish coatings are available to special order