Solid Carbide End Mill 8mm 8R0.2x33-40x80xD8D1 (Cutting diameter): 8mm D3 (Undercut diameter): 7. 5mm L2 (Length of cut): 33mm L3 (Length of undercut): 40mm L1 (Total length): 80mm D2 (Shank diameter): 8mm Z (Number of cutting edges): 4 R Corner radius: 0. 2mm Helical Pitch: 38 Chip breaker for short, defined chip length Unequal tooth pitch combined with variable helical pitch for smooth running Reinforced face with 2 cutting edges to the center For roughing and finishing under ETC conditions