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Improved edge strength and toughness provide the ability to apply high cutting parameters while also providing high predictability in applications such as dry milling, face milling and copy milling to ensure good surface quality. The GC4220 is ideally suited for all CoroMill concepts and is the next target for Sandvik Coromant's new generation of blades.
Widened the GC4220 for steel milling performance limits
Compared to the current best tool grades, Sandvik Coromant's GC4220 grades are capable of increasing productivity by 20% to 30% over their application range. The GC4220 is ideal for roughing and semi-finishing milling in the mold industry. It has an improved matrix and coating and provides the high safety and high predictability required for maximum productivity and high metal removal in steel processing, and high cutting temperatures due to high speed milling and machining of hard materials. Next, it still has good performance.