The tools– Half effective porcupine milling cutter– Diameter range 20–100 mm or 3/4–4"– Interfaces: Weldon shank, bore adaptor, modular ScrewFit interfaceThe indexable inserts - 15° clearance angle– Circumference-sintered design for maximum cost efficiency– Two CVD-coated grades (WKP25S and WKP35S) for machining steel and cast iron– Three PVD-coated grades (WKK25S, WSM35S and WSP45S) for machining Irons, Stainless' and difficult to cut alloys.Square system inserts from the M4000 milling system– For universal use in face, shoulder, chamfer and T-slot milling cutters and also as the leading insert in slot drill and porcupine milling cutters– 4 cutting edges Rhombic indexable inserts:– Can be used as a face insert in slot drill and porcupine milling cutters– 2 cutting edgesThe application- For shoulder and slot milling– For steel, cast iron, stainless steels and difficult-to-cut materialsBenefits for you- High cost efficiency thanks to four or two cutting edges per indexable insert– Reduced procurement and inventory costs– Concept requiring minimum resources– Low power requirement thanks to positive geometries– Walter Green: CO2 emissions resulting from production are offset by our environmental protection project