Seco Tools has added Combimaster heads to its line of Square 6 square shoulder milling cutters. Combimaster is a replaceable head milling cutter system with a range of shank types, lengths, and interchangeable cutter heads. All Combimaster heads and shanks come standard with through coolant capabilities. The heads are available in many inserts styles and sizes along with different cutter pitches. The Square 6 can be used in general machining operations including face milling, contouring, plunging, slotting, and square shoulder milling. It features trigon-shaped inserts with six cutting edges. Four Duratomic grades are available for Square 6 as well as three different insert geometries and three different pitches.The nickel-coated Square 6 cutter bodies come in a diameter range of 1.5″ to 6″.