Solid Carbide End Mill 6mm 6R0.15x18-25x65xD6D1 (Cutting diameter): 6mm D3 (Undercut diameter): 5. 5mm L2 ( Length of cut): 18mm L3 (Length of undercut): 25mm L1 (Total length): 65mm D2 (Shank diameter): 6mm Z (Number of cutting edges): 4 R Corner radius: 0. 15mm Helical pitch: 38 Unequal tooth pitch combined with variable helical pitch for smooth running Highly polished chip space for safe chip evacuation Reinforced face for process reliable, helical diving For roughing and finishing * MADE IN