Dormer Pramet C609 5/8 Inch HSS-E TiCN Flatted Shank Fine Pitch Roughing End Mill Regular LengthThe Dormer Pramet C609 5 8 Inch HSS E TiCN Flatted Shank Fine Pitch Roughing End Mill Regular Length is a purpose built tool for aggressive material removal in freemachining steels and copper alloys. Designed for machinists who demand dependable roughing performance, it combines a robust HSSE core with a wearresistant TiCN coating to handle demanding milling tasks with consistency. Diameter: 5 8" Flutes: 4 flute geometry for efficient chip evacuation