Dormer Pramet C505 12.0mm HSS-E Flatted Shank 2 Flute Ball Nosed Standard Length Slot Drill DIN 844 KThe Dormer Pramet C505 12. 0 mm HSS E ball nose end mill is purpose built for precise 3D contouring and copy milling in steel and copper alloys. Designed for machinists who demand dependable performance, it pairs a robust Weldon shank with a cobalt based HSS E body for consistent results across challenging materials. Diameter: 12. 0 mm Flutes: 2 flute design for efficient chip evacuation End Mill Type: Ball nose geometry to produce smooth, rounded