Solid Carbide End Mill 6mm 6R0.15x13-19x57xD6D1 (Cutting diameter): 6mm D3 (Undercut diameter): 5. 8mm L2 (Length of cut): 13mm L3 (Length of undercut): 19mm L1 (Total length): 57mm D2 (Shank diameter): 6mm Z (Number of cutting edges): 5 R (Corner radius): 0. 15 Helical Pitch: 40 Unequal tooth pitch combined with variable helical pitch for smooth running Defined cutting edge geometry for stabilization at high infeeds Reinforced tool core for high breakage resistance For roughing and finishing *