Solid Carbide End Mill 16mm 16R0.3x32-42x92xD16D1 (Cutting diameter): 16mm D3 (Undercut diameter): 15. 8mm L2 (Length of cut): 32mm L3 (Length of undercut): 42mm L1 (Total length): 92mm D2 (Shank diameter): 16mm Z (Number of cutting edges): 5 R (Corner radius): 0. 3 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