Seco Tools has one of the widest and most competitive ranges of face milling cutters and inserts on the market. The latest component in this range Hexamill - makes the program of modern face milling cutters complete. Hexa......Seco Tools has one of the widest and most competitive ranges of face milling cutters and inserts on the market. The latest component in this range Hexamill - makes the program of modern face milling cutters complete. Hexamill R220.66-12, with hexagon shaped inserts fits an application area above Octomill. This system is intended for machining centers and similar types of machines with minimum 25 H.P. and minimum ISO 50 taper size. For bigger machines - minimum 25 H.P. and stronger - the Hexamill cutter is the perfect choice available in diameters 63-315 mm (2.50"-20.00") The new HPMN/R 1206 inserts have six cutting edges. This makes them a very economical alternative due to low price per edge compared to conventional face milling inserts.