Dormer Pramet C618 5/8 Inch HSS-E Flatted Shank 4 Flute End Mill Regular LengthThe Dormer Pramet C618 5 8 Inch HSS E Flatted Shank 4 Flute End Mill is a regular length milling cutter designed for shoulder milling, slot milling, and ramping in free machining and plain carbon steels, as well as copper and copper alloys. Diameter: 5 8" (0. 625") end mill for standard tooling interfaces Length of cut: 1 5 8" (1. 625"), optimized for controlled material removal along shoulders and slots Overall length: 3 3 4" (3. 75"), providing