Dormer Pramet C428 12.0mm HSS-E-Powder Metal Alcrona Primax Flatted Shank Multi-Flute Roughing (HRA) Standard Length End Mill DIN 844 KThe Dormer Pramet C428 12. 0mm HSS E Powder Metal Alcrona Primax Flatted Shank Multi Flute Roughing End Mill (DIN 844 K) is a purpose built cutting tool for heavy material removal in steels and tough alloys. With a 12 mm diameter and a short series design, it delivers robust performance for shoulder milling, slot milling, and ramping in demanding environments. Diameter: 12 mm Length of Cut (LOC): 26 mm Overall Length: 83 mm Reach Neck Relief: 37. 5 mm