Dormer Pramet C247 13.0mm HSS-E-Powder Metal Flatted Shank Multi-Flute Standard Length End Mill DIN 844 KThe Dormer Pramet C247 13. 0 mm end mill is a compact, four flute tool designed for shoulder milling, slot milling, and ramping in free machining and plain carbon steels as well as copper and copper alloys. Built with powder metallurgical HSS E and a bright finish, it delivers reliable performance in a DIN 844 K shank format for consistent, precise milling tasks. Diameter: 13. 0 mm Length of Cut: 26 mm Overall Length: 83 mm Reach with Neck Relief: 37.