Dormer Pramet C305 13.0mm HSS-E-Powder Metal Primax Flatted Shank 3 Flute Standard Length Slot Drill DIN 844 KThe Dormer Pramet C305 13. 0 mm HSS E Primax slot drill is a compact, three flute cutting tool designed for shoulder milling, slot milling and ramping. Built to work in free machining steels, copper and copper alloys, as well as Fe , Ni , and Co based high temperature alloys, it blends precision with durability in a DIN 844 K standard format. Diameter: 13. 0 mm Length of cut: 26 mm Overall length: 83 mm Reach neck relief: 37. 5 mm Shank: Weldon, 12 mm