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M4000: M4256, M4257 and M4258 porcupine milling cutters, long edge milling - Walter Tools

By Niraj M Wanikar, Chief Editor, CNCTimes.com, 2016-11-28 13:31:00

– Half effective porcupine milling cutter
– Diameter range 20–100 mm or 3/4–4"
– Interfaces: Weldon shank, bore adaptor, modular ScrewFit interface

The 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 edges


The application

- For shoulder and slot milling
– For steel, cast iron, stainless steels and difficult-to-cut materials

Benefits 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

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