-IPT9 (9 Flutes) For high-efficiency machining (HEM) in materials ranging from low carbon steels to hi-temp alloys. The IPT9 POW•R•PATH end mill is engineered specifically for HEM tool paths with great core strength and 9 flutes for increased feed rates and excellent surface finishes. The unique design runs up to 3.5 x the tool diameter deep, generating high metal removal rates.